2111991

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:790

約数の個数: 16

約数和(自身を含む): 3243264

約数和(自身を除く): 1131273

約数列:

[1, 3, 7, 21, 163, 489, 617, 1141, 1851, 3423, 4319, 12957, 100571, 301713, 703997, 2111991]

約数ペア:

[(1, 2111991), (3, 703997), (7, 301713), (21, 100571), (163, 12957), (489, 4319), (617, 3423), (1141, 1851)]