25378839

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{2287}}^1$

素因数の和:2436

約数の個数: 20

約数和(自身を含む): 38205024

約数和(自身を除く): 12826185

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 2287, 3699, 6861, 11097, 20583, 61749, 185247, 313319, 939957, 2819871, 8459613, 25378839]

約数ペア:

[(1, 25378839), (3, 8459613), (9, 2819871), (27, 939957), (81, 313319), (137, 185247), (411, 61749), (1233, 20583), (2287, 11097), (3699, 6861)]