40508171

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^2$

素因数の和:251

約数の個数: 18

約数和(自身を含む): 47105316

約数和(自身を除く): 6597145

約数列:

[1, 11, 19, 101, 209, 361, 1111, 1919, 3971, 10201, 21109, 36461, 112211, 193819, 401071, 2132009, 3682561, 40508171]

約数ペア:

[(1, 40508171), (11, 3682561), (19, 2132009), (101, 401071), (209, 193819), (361, 112211), (1111, 36461), (1919, 21109), (3971, 10201)]