87210571

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1\times {\mathrm{421}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 101239488

約数和(自身を除く): 14028917

約数列:

[1, 7, 101, 293, 421, 707, 2051, 2947, 29593, 42521, 123353, 207151, 297647, 863471, 12458653, 87210571]

約数ペア:

[(1, 87210571), (7, 12458653), (101, 863471), (293, 297647), (421, 207151), (707, 123353), (2051, 42521), (2947, 29593)]