71943945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 119522304

約数和(自身を除く): 47578359

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 645, 1065, 1571, 3053, 4713, 7855, 9159, 15265, 23565, 45795, 67553, 111541, 202659, 334623, 337765, 557705, 1013295, 1673115, 4796263, 14388789, 23981315, 71943945]

約数ペア:

[(1, 71943945), (3, 23981315), (5, 14388789), (15, 4796263), (43, 1673115), (71, 1013295), (129, 557705), (213, 337765), (215, 334623), (355, 202659), (645, 111541), (1065, 67553), (1571, 45795), (3053, 23565), (4713, 15265), (7855, 9159)]