997999275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 2159861760

約数和(自身を除く): 1161862485

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 31, 35, 39, 53, 65, 75, 89, 91, 93, 105, 155, 159, 175, 195, 217, 265, 267, 273, 325, 371, 403, 445, 455, 465, 525, 623, 651, 689, 775, 795, 975, 1085, 1113, 1157, 1209, 1325, 1335, 1365, 1643, 1855, 1869, 2015, 2067, 2225, 2275, 2325, 2759, 2821, 3115, 3255, 3445, 3471, 3975, 4717, 4823, 4929, 5425, 5565, 5785, 6045, 6675, 6825, 8099, 8215, 8277, 8463, 9275, 9345, 10075, 10335, 11501, 13795, 14105, 14151, 14469, 15575, 16275, 17225, 17355, 19313, 21359, 23585, 24115, 24297, 24645, 27825, 28925, 30225, 33019, 34503, 35867, 40495, 41075, 41385, 42315, 46725, 51675, 57505, 57939, 61321, 64077, 68975, 70525, 70755, 72345, 86775, 96565, 99057, 106795, 107601, 117925, 120575, 121485, 123225, 146227, 149513, 165095, 172515, 179335, 183963, 202475, 206925, 211575, 251069, 287525, 289695, 306605, 320385, 353775, 361725, 429247, 438681, 448539, 482825, 495285, 533975, 538005, 607425, 731135, 747565, 753207, 825475, 862575, 896675, 919815, 1023589, 1255345, 1287741, 1448475, 1533025, 1601925, 1900951, 2146235, 2193405, 2242695, 2476425, 2690025, 3070767, 3655675, 3737825, 3766035, 4599075, 5117945, 5702853, 6276725, 6438705, 9504755, 10731175, 10967025, 11213475, 13306657, 15353835, 18830175, 25589725, 28514265, 32193525, 39919971, 47523775, 66533285, 76769175, 142571325, 199599855, 332666425, 997999275]

約数ペア:

[(1, 997999275), (3, 332666425), (5, 199599855), (7, 142571325), (13, 76769175), (15, 66533285), (21, 47523775), (25, 39919971), (31, 32193525), (35, 28514265), (39, 25589725), (53, 18830175), (65, 15353835), (75, 13306657), (89, 11213475), (91, 10967025), (93, 10731175), (105, 9504755), (155, 6438705), (159, 6276725), (175, 5702853), (195, 5117945), (217, 4599075), (265, 3766035), (267, 3737825), (273, 3655675), (325, 3070767), (371, 2690025), (403, 2476425), (445, 2242695), (455, 2193405), (465, 2146235), (525, 1900951), (623, 1601925), (651, 1533025), (689, 1448475), (775, 1287741), (795, 1255345), (975, 1023589), (1085, 919815), (1113, 896675), (1157, 862575), (1209, 825475), (1325, 753207), (1335, 747565), (1365, 731135), (1643, 607425), (1855, 538005), (1869, 533975), (2015, 495285), (2067, 482825), (2225, 448539), (2275, 438681), (2325, 429247), (2759, 361725), (2821, 353775), (3115, 320385), (3255, 306605), (3445, 289695), (3471, 287525), (3975, 251069), (4717, 211575), (4823, 206925), (4929, 202475), (5425, 183963), (5565, 179335), (5785, 172515), (6045, 165095), (6675, 149513), (6825, 146227), (8099, 123225), (8215, 121485), (8277, 120575), (8463, 117925), (9275, 107601), (9345, 106795), (10075, 99057), (10335, 96565), (11501, 86775), (13795, 72345), (14105, 70755), (14151, 70525), (14469, 68975), (15575, 64077), (16275, 61321), (17225, 57939), (17355, 57505), (19313, 51675), (21359, 46725), (23585, 42315), (24115, 41385), (24297, 41075), (24645, 40495), (27825, 35867), (28925, 34503), (30225, 33019)]