86704821

素因数分解:

$3^2\times 7^1\times {\mathrm{811}}^1\times {\mathrm{1697}}^1$

素因数の和:2521

約数の個数: 24

約数和(自身を含む): 143392704

約数和(自身を除く): 56687883

約数列:

[1, 3, 7, 9, 21, 63, 811, 1697, 2433, 5091, 5677, 7299, 11879, 15273, 17031, 35637, 51093, 106911, 1376267, 4128801, 9633869, 12386403, 28901607, 86704821]

約数ペア:

[(1, 86704821), (3, 28901607), (7, 12386403), (9, 9633869), (21, 4128801), (63, 1376267), (811, 106911), (1697, 51093), (2433, 35637), (5091, 17031), (5677, 15273), (7299, 11879)]