3788239

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 5011440

約数和(自身を除く): 1223201

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 313, 637, 931, 1729, 2191, 4069, 5947, 12103, 15337, 28483, 41629, 77311, 199381, 291403, 541177, 3788239]

約数ペア:

[(1, 3788239), (7, 541177), (13, 291403), (19, 199381), (49, 77311), (91, 41629), (133, 28483), (247, 15337), (313, 12103), (637, 5947), (931, 4069), (1729, 2191)]