9812725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 13271720

約数和(自身を除く): 3458995

約数列:

[1, 5, 13, 25, 65, 109, 277, 325, 545, 1385, 1417, 2725, 3601, 6925, 7085, 18005, 30193, 35425, 90025, 150965, 392509, 754825, 1962545, 9812725]

約数ペア:

[(1, 9812725), (5, 1962545), (13, 754825), (25, 392509), (65, 150965), (109, 90025), (277, 35425), (325, 30193), (545, 18005), (1385, 7085), (1417, 6925), (2725, 3601)]