128207925

素因数分解:

$3^2\times 5^2\times {\mathrm{569813}}^1$

素因数の和:569829

約数の個数: 18

約数和(自身を含む): 229635042

約数和(自身を除く): 101427117

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 569813, 1709439, 2849065, 5128317, 8547195, 14245325, 25641585, 42735975, 128207925]

約数ペア:

[(1, 128207925), (3, 42735975), (5, 25641585), (9, 14245325), (15, 8547195), (25, 5128317), (45, 2849065), (75, 1709439), (225, 569813)]