72289347

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^2\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 105413616

約数和(自身を除く): 33124269

約数列:

[1, 3, 13, 39, 97, 197, 291, 591, 1261, 2561, 3783, 7683, 9409, 19109, 28227, 57327, 122317, 248417, 366951, 745251, 1853573, 5560719, 24096449, 72289347]

約数ペア:

[(1, 72289347), (3, 24096449), (13, 5560719), (39, 1853573), (97, 745251), (197, 366951), (291, 248417), (591, 122317), (1261, 57327), (2561, 28227), (3783, 19109), (7683, 9409)]