20161747263

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{5890081}}^1$

素因数の和:5890254

約数の個数: 16

約数和(自身を含む): 30911150336

約数和(自身を除く): 10749403073

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 5890081, 17670243, 41230567, 123691701, 960083203, 2880249609, 6720582421, 20161747263]

約数ペア:

[(1, 20161747263), (3, 6720582421), (7, 2880249609), (21, 960083203), (163, 123691701), (489, 41230567), (1141, 17670243), (3423, 5890081)]