218671491

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{4243}}^1$

素因数の和:4706

約数の個数: 16

約数和(自身を含む): 299456640

約数和(自身を除く): 80785149

約数列:

[1, 3, 41, 123, 419, 1257, 4243, 12729, 17179, 51537, 173963, 521889, 1777817, 5333451, 72890497, 218671491]

約数ペア:

[(1, 218671491), (3, 72890497), (41, 5333451), (123, 1777817), (419, 521889), (1257, 173963), (4243, 51537), (12729, 17179)]