68620725

素因数分解:

$3^2\times 5^2\times {\mathrm{304981}}^1$

素因数の和:304997

約数の個数: 18

約数和(自身を含む): 122907746

約数和(自身を除く): 54287021

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 304981, 914943, 1524905, 2744829, 4574715, 7624525, 13724145, 22873575, 68620725]

約数ペア:

[(1, 68620725), (3, 22873575), (5, 13724145), (9, 7624525), (15, 4574715), (25, 2744829), (45, 1524905), (75, 914943), (225, 304981)]