81037467

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{11801}}^1$

素因数の和:11923

約数の個数: 24

約数和(自身を含む): 135014880

約数和(自身を除く): 53977413

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 11801, 35403, 82607, 106209, 247821, 743463, 1286309, 3858927, 9004163, 11576781, 27012489, 81037467]

約数ペア:

[(1, 81037467), (3, 27012489), (7, 11576781), (9, 9004163), (21, 3858927), (63, 1286309), (109, 743463), (327, 247821), (763, 106209), (981, 82607), (2289, 35403), (6867, 11801)]