25073145

素因数分解:

$3^4\times 5^1\times {\mathrm{61909}}^1$

素因数の和:61926

約数の個数: 20

約数和(自身を含む): 44946660

約数和(自身を除く): 19873515

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 61909, 185727, 309545, 557181, 928635, 1671543, 2785905, 5014629, 8357715, 25073145]

約数ペア:

[(1, 25073145), (3, 8357715), (5, 5014629), (9, 2785905), (15, 1671543), (27, 928635), (45, 557181), (81, 309545), (135, 185727), (405, 61909)]