15705729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 24576552

約数和(自身を除く): 8870823

約数列:

[1, 3, 9, 13, 39, 117, 241, 557, 723, 1671, 2169, 3133, 5013, 7241, 9399, 21723, 28197, 65169, 134237, 402711, 1208133, 1745081, 5235243, 15705729]

約数ペア:

[(1, 15705729), (3, 5235243), (9, 1745081), (13, 1208133), (39, 402711), (117, 134237), (241, 65169), (557, 28197), (723, 21723), (1671, 9399), (2169, 7241), (3133, 5013)]