222241491

素因数分解:

$3^2\times {\mathrm{127}}^2\times {\mathrm{1531}}^1$

素因数の和:1791

約数の個数: 18

約数和(自身を含む): 323774412

約数和(自身を除く): 101532921

約数列:

[1, 3, 9, 127, 381, 1143, 1531, 4593, 13779, 16129, 48387, 145161, 194437, 583311, 1749933, 24693499, 74080497, 222241491]

約数ペア:

[(1, 222241491), (3, 74080497), (9, 24693499), (127, 1749933), (381, 583311), (1143, 194437), (1531, 145161), (4593, 48387), (13779, 16129)]