20174224275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{78721}}^1$

素因数の和:78821

約数の個数: 72

約数和(自身を含む): 38831358384

約数和(自身を除く): 18657134109

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 67, 75, 85, 153, 201, 225, 255, 335, 425, 603, 765, 1005, 1139, 1275, 1675, 3015, 3417, 3825, 5025, 5695, 10251, 15075, 17085, 28475, 51255, 78721, 85425, 236163, 256275, 393605, 708489, 1180815, 1338257, 1968025, 3542445, 4014771, 5274307, 5904075, 6691285, 12044313, 15822921, 17712225, 20073855, 26371535, 33456425, 47468763, 60221565, 79114605, 89663219, 100369275, 131857675, 237343815, 268989657, 301107825, 395573025, 448316095, 806968971, 1186719075, 1344948285, 2241580475, 4034844855, 6724741425, 20174224275]

約数ペア:

[(1, 20174224275), (3, 6724741425), (5, 4034844855), (9, 2241580475), (15, 1344948285), (17, 1186719075), (25, 806968971), (45, 448316095), (51, 395573025), (67, 301107825), (75, 268989657), (85, 237343815), (153, 131857675), (201, 100369275), (225, 89663219), (255, 79114605), (335, 60221565), (425, 47468763), (603, 33456425), (765, 26371535), (1005, 20073855), (1139, 17712225), (1275, 15822921), (1675, 12044313), (3015, 6691285), (3417, 5904075), (3825, 5274307), (5025, 4014771), (5695, 3542445), (10251, 1968025), (15075, 1338257), (17085, 1180815), (28475, 708489), (51255, 393605), (78721, 256275), (85425, 236163)]