68788209

素因数分解:

$3^1\times 7^2\times {\mathrm{577}}^1\times {\mathrm{811}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 107008608

約数和(自身を除く): 38220399

約数列:

[1, 3, 7, 21, 49, 147, 577, 811, 1731, 2433, 4039, 5677, 12117, 17031, 28273, 39739, 84819, 119217, 467947, 1403841, 3275629, 9826887, 22929403, 68788209]

約数ペア:

[(1, 68788209), (3, 22929403), (7, 9826887), (21, 3275629), (49, 1403841), (147, 467947), (577, 119217), (811, 84819), (1731, 39739), (2433, 28273), (4039, 17031), (5677, 12117)]