17812953

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4679}}^1$

素因数の和:4738

約数の個数: 20

約数和(自身を含む): 27181440

約数和(自身を除く): 9368487

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4679, 14037, 42111, 126333, 219913, 378999, 659739, 1979217, 5937651, 17812953]

約数ペア:

[(1, 17812953), (3, 5937651), (9, 1979217), (27, 659739), (47, 378999), (81, 219913), (141, 126333), (423, 42111), (1269, 14037), (3807, 4679)]