212553

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 355680

約数和(自身を除く): 143127

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 113, 171, 209, 339, 627, 1017, 1243, 1881, 2147, 3729, 6441, 11187, 19323, 23617, 70851, 212553]

約数ペア:

[(1, 212553), (3, 70851), (9, 23617), (11, 19323), (19, 11187), (33, 6441), (57, 3729), (99, 2147), (113, 1881), (171, 1243), (209, 1017), (339, 627)]