213830421

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{599}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 331776000

約数和(自身を除く): 117945579

約数列:

[1, 3, 7, 21, 89, 191, 267, 573, 599, 623, 1337, 1797, 1869, 4011, 4193, 12579, 16999, 50997, 53311, 114409, 118993, 159933, 343227, 356979, 373177, 800863, 1119531, 2402589, 10182401, 30547203, 71276807, 213830421]

約数ペア:

[(1, 213830421), (3, 71276807), (7, 30547203), (21, 10182401), (89, 2402589), (191, 1119531), (267, 800863), (573, 373177), (599, 356979), (623, 343227), (1337, 159933), (1797, 118993), (1869, 114409), (4011, 53311), (4193, 50997), (12579, 16999)]