15281225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 20355840

約数和(自身を除く): 5074615

約数列:

[1, 5, 19, 25, 53, 95, 265, 475, 607, 1007, 1325, 3035, 5035, 11533, 15175, 25175, 32171, 57665, 160855, 288325, 611249, 804275, 3056245, 15281225]

約数ペア:

[(1, 15281225), (5, 3056245), (19, 804275), (25, 611249), (53, 288325), (95, 160855), (265, 57665), (475, 32171), (607, 25175), (1007, 15175), (1325, 11533), (3035, 5035)]