971882775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 1991658240

約数和(自身を除く): 1019775465

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 43, 45, 51, 57, 75, 85, 95, 129, 153, 171, 215, 225, 255, 285, 311, 323, 387, 425, 475, 645, 731, 765, 817, 855, 933, 969, 1075, 1275, 1425, 1555, 1615, 1935, 2193, 2451, 2799, 2907, 3225, 3655, 3825, 4085, 4275, 4665, 4845, 5287, 5909, 6579, 7353, 7775, 8075, 9675, 10965, 12255, 13373, 13889, 13995, 14535, 15861, 17727, 18275, 20425, 23325, 24225, 26435, 29545, 32895, 36765, 40119, 41667, 47583, 53181, 54825, 61275, 66865, 69445, 69975, 72675, 79305, 88635, 100453, 120357, 125001, 132175, 147725, 164475, 183825, 200595, 208335, 227341, 237915, 254087, 265905, 301359, 334325, 347225, 396525, 443175, 502265, 601785, 625005, 682023, 762261, 904077, 1002975, 1041675, 1136705, 1189575, 1270435, 1329525, 1506795, 2046069, 2286783, 2511325, 3008925, 3125025, 3410115, 3811305, 4319479, 4520385, 5683525, 6352175, 7533975, 10230345, 11433915, 12958437, 17050575, 19056525, 21597395, 22601925, 38875311, 51151725, 57169575, 64792185, 107986975, 194376555, 323960925, 971882775]

約数ペア:

[(1, 971882775), (3, 323960925), (5, 194376555), (9, 107986975), (15, 64792185), (17, 57169575), (19, 51151725), (25, 38875311), (43, 22601925), (45, 21597395), (51, 19056525), (57, 17050575), (75, 12958437), (85, 11433915), (95, 10230345), (129, 7533975), (153, 6352175), (171, 5683525), (215, 4520385), (225, 4319479), (255, 3811305), (285, 3410115), (311, 3125025), (323, 3008925), (387, 2511325), (425, 2286783), (475, 2046069), (645, 1506795), (731, 1329525), (765, 1270435), (817, 1189575), (855, 1136705), (933, 1041675), (969, 1002975), (1075, 904077), (1275, 762261), (1425, 682023), (1555, 625005), (1615, 601785), (1935, 502265), (2193, 443175), (2451, 396525), (2799, 347225), (2907, 334325), (3225, 301359), (3655, 265905), (3825, 254087), (4085, 237915), (4275, 227341), (4665, 208335), (4845, 200595), (5287, 183825), (5909, 164475), (6579, 147725), (7353, 132175), (7775, 125001), (8075, 120357), (9675, 100453), (10965, 88635), (12255, 79305), (13373, 72675), (13889, 69975), (13995, 69445), (14535, 66865), (15861, 61275), (17727, 54825), (18275, 53181), (20425, 47583), (23325, 41667), (24225, 40119), (26435, 36765), (29545, 32895)]