15397855

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 20990592

約数和(自身を除く): 5592737

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 821, 1705, 3751, 4105, 9031, 18755, 25451, 45155, 99341, 127255, 279961, 496705, 1399805, 3079571, 15397855]

約数ペア:

[(1, 15397855), (5, 3079571), (11, 1399805), (31, 496705), (55, 279961), (121, 127255), (155, 99341), (341, 45155), (605, 25451), (821, 18755), (1705, 9031), (3751, 4105)]