123391278

素因数分解:

$2^1\times 3^2\times {\mathrm{6855071}}^1$

素因数の和:6855079

約数の個数: 12

約数和(自身を含む): 267347808

約数和(自身を除く): 143956530

約数列:

[1, 2, 3, 6, 9, 18, 6855071, 13710142, 20565213, 41130426, 61695639, 123391278]

約数ペア:

[(1, 123391278), (2, 61695639), (3, 41130426), (6, 20565213), (9, 13710142), (18, 6855071)]