210816151

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{74731}}^1$

素因数の和:74782

約数の個数: 16

約数和(自身を含む): 267839488

約数和(自身を除く): 57023337

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 74731, 523117, 971503, 2316661, 6800521, 16216627, 30116593, 210816151]

約数ペア:

[(1, 210816151), (7, 30116593), (13, 16216627), (31, 6800521), (91, 2316661), (217, 971503), (403, 523117), (2821, 74731)]