3990407571

素因数分解:

$3^4\times {\mathrm{1289}}^1\times {\mathrm{38219}}^1$

素因数の和:39520

約数の個数: 20

約数和(自身を含む): 5965759800

約数和(自身を除く): 1975352229

約数列:

[1, 3, 9, 27, 81, 1289, 3867, 11601, 34803, 38219, 104409, 114657, 343971, 1031913, 3095739, 49264291, 147792873, 443378619, 1330135857, 3990407571]

約数ペア:

[(1, 3990407571), (3, 1330135857), (9, 443378619), (27, 147792873), (81, 49264291), (1289, 3095739), (3867, 1031913), (11601, 343971), (34803, 114657), (38219, 104409)]