123647553

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{32479}}^1$

素因数の和:32538

約数の個数: 20

約数和(自身を含む): 188643840

約数和(自身を除く): 64996287

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 32479, 97437, 292311, 876933, 1526513, 2630799, 4579539, 13738617, 41215851, 123647553]

約数ペア:

[(1, 123647553), (3, 41215851), (9, 13738617), (27, 4579539), (47, 2630799), (81, 1526513), (141, 876933), (423, 292311), (1269, 97437), (3807, 32479)]