81467881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 90604800

約数和(自身を除く): 9136919

約数列:

[1, 11, 79, 241, 389, 869, 2651, 4279, 19039, 30731, 93749, 209429, 338041, 1031239, 7406171, 81467881]

約数ペア:

[(1, 81467881), (11, 7406171), (79, 1031239), (241, 338041), (389, 209429), (869, 93749), (2651, 30731), (4279, 19039)]