201723129

素因数分解:

$3^4\times {\mathrm{379}}^1\times {\mathrm{6571}}^1$

素因数の和:6962

約数の個数: 20

約数和(自身を含む): 302180560

約数和(自身を除く): 100457431

約数列:

[1, 3, 9, 27, 81, 379, 1137, 3411, 6571, 10233, 19713, 30699, 59139, 177417, 532251, 2490409, 7471227, 22413681, 67241043, 201723129]

約数ペア:

[(1, 201723129), (3, 67241043), (9, 22413681), (27, 7471227), (81, 2490409), (379, 532251), (1137, 177417), (3411, 59139), (6571, 30699), (10233, 19713)]