38897313

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7499}}^1$

素因数の和:7541

約数の個数: 32

約数和(自身を含む): 67200000

約数和(自身を除く): 28302687

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 7499, 22497, 52493, 97487, 142481, 157479, 292461, 427443, 682409, 997367, 1852253, 2047227, 2992101, 5556759, 12965771, 38897313]

約数ペア:

[(1, 38897313), (3, 12965771), (7, 5556759), (13, 2992101), (19, 2047227), (21, 1852253), (39, 997367), (57, 682409), (91, 427443), (133, 292461), (247, 157479), (273, 142481), (399, 97487), (741, 52493), (1729, 22497), (5187, 7499)]