681566355

素因数分解:

$3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{55889}}^1$

素因数の和:56171

約数の個数: 24

約数和(自身を含む): 1185762240

約数和(自身を除く): 504195885

約数列:

[1, 3, 5, 9, 15, 45, 271, 813, 1355, 2439, 4065, 12195, 55889, 167667, 279445, 503001, 838335, 2515005, 15145919, 45437757, 75729595, 136313271, 227188785, 681566355]

約数ペア:

[(1, 681566355), (3, 227188785), (5, 136313271), (9, 75729595), (15, 45437757), (45, 15145919), (271, 2515005), (813, 838335), (1355, 503001), (2439, 279445), (4065, 167667), (12195, 55889)]