87571263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 130493440

約数和(自身を除く): 42922177

約数列:

[1, 3, 13, 39, 43, 79, 129, 237, 559, 661, 1027, 1677, 1983, 3081, 3397, 8593, 10191, 25779, 28423, 44161, 52219, 85269, 132483, 156657, 369499, 678847, 1108497, 2036541, 2245417, 6736251, 29190421, 87571263]

約数ペア:

[(1, 87571263), (3, 29190421), (13, 6736251), (39, 2245417), (43, 2036541), (79, 1108497), (129, 678847), (237, 369499), (559, 156657), (661, 132483), (1027, 85269), (1677, 52219), (1983, 44161), (3081, 28423), (3397, 25779), (8593, 10191)]