7865397

素因数分解:

$3^3\times {\mathrm{523}}^1\times {\mathrm{557}}^1$

素因数の和:1089

約数の個数: 16

約数和(自身を含む): 11695680

約数和(自身を除く): 3830283

約数列:

[1, 3, 9, 27, 523, 557, 1569, 1671, 4707, 5013, 14121, 15039, 291311, 873933, 2621799, 7865397]

約数ペア:

[(1, 7865397), (3, 2621799), (9, 873933), (27, 291311), (523, 15039), (557, 14121), (1569, 5013), (1671, 4707)]