215533431

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{405901}}^1$

素因数の和:405966

約数の個数: 12

約数和(自身を含む): 316603560

約数和(自身を除く): 101070129

約数列:

[1, 3, 9, 59, 177, 531, 405901, 1217703, 3653109, 23948159, 71844477, 215533431]

約数ペア:

[(1, 215533431), (3, 71844477), (9, 23948159), (59, 3653109), (177, 1217703), (531, 405901)]