25458021

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 37957920

約数和(自身を除く): 12499899

約数列:

[1, 3, 9, 43, 129, 157, 387, 419, 471, 1257, 1413, 3771, 6751, 18017, 20253, 54051, 60759, 65783, 162153, 197349, 592047, 2828669, 8486007, 25458021]

約数ペア:

[(1, 25458021), (3, 8486007), (9, 2828669), (43, 592047), (129, 197349), (157, 162153), (387, 65783), (419, 60759), (471, 54051), (1257, 20253), (1413, 18017), (3771, 6751)]