258015231

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{7151}}^1$

素因数の和:7387

約数の個数: 24

約数和(自身を含む): 394218240

約数和(自身を除く): 136203009

約数列:

[1, 3, 9, 19, 57, 171, 211, 633, 1899, 4009, 7151, 12027, 21453, 36081, 64359, 135869, 407607, 1222821, 1508861, 4526583, 13579749, 28668359, 86005077, 258015231]

約数ペア:

[(1, 258015231), (3, 86005077), (9, 28668359), (19, 13579749), (57, 4526583), (171, 1508861), (211, 1222821), (633, 407607), (1899, 135869), (4009, 64359), (7151, 36081), (12027, 21453)]