242560251

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{397}}^2$

素因数の和:825

約数の個数: 30

約数和(自身を含む): 382376940

約数和(自身を除く): 139816689

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 397, 513, 1191, 1539, 3573, 7543, 10719, 22629, 32157, 67887, 157609, 203661, 472827, 610983, 1418481, 2994571, 4255443, 8983713, 12766329, 26951139, 80853417, 242560251]

約数ペア:

[(1, 242560251), (3, 80853417), (9, 26951139), (19, 12766329), (27, 8983713), (57, 4255443), (81, 2994571), (171, 1418481), (397, 610983), (513, 472827), (1191, 203661), (1539, 157609), (3573, 67887), (7543, 32157), (10719, 22629)]