139948557

素因数分解:

$3^1\times 7^2\times {\mathrm{617}}^1\times {\mathrm{1543}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 217555776

約数和(自身を除く): 77607219

約数列:

[1, 3, 7, 21, 49, 147, 617, 1543, 1851, 4319, 4629, 10801, 12957, 30233, 32403, 75607, 90699, 226821, 952031, 2856093, 6664217, 19992651, 46649519, 139948557]

約数ペア:

[(1, 139948557), (3, 46649519), (7, 19992651), (21, 6664217), (49, 2856093), (147, 952031), (617, 226821), (1543, 90699), (1851, 75607), (4319, 32403), (4629, 30233), (10801, 12957)]