72261801

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{20747}}^1$

素因数の和:20802

約数の個数: 20

約数和(自身を含む): 110462352

約数和(自身を除く): 38200551

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 20747, 62241, 186723, 560169, 892121, 1680507, 2676363, 8029089, 24087267, 72261801]

約数ペア:

[(1, 72261801), (3, 24087267), (9, 8029089), (27, 2676363), (43, 1680507), (81, 892121), (129, 560169), (387, 186723), (1161, 62241), (3483, 20747)]