39893217

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7691}}^1$

素因数の和:7733

約数の個数: 32

約数和(自身を含む): 68920320

約数和(自身を除く): 29027103

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 7691, 23073, 53837, 99983, 146129, 161511, 299949, 438387, 699881, 1022903, 1899677, 2099643, 3068709, 5699031, 13297739, 39893217]

約数ペア:

[(1, 39893217), (3, 13297739), (7, 5699031), (13, 3068709), (19, 2099643), (21, 1899677), (39, 1022903), (57, 699881), (91, 438387), (133, 299949), (247, 161511), (273, 146129), (399, 99983), (741, 53837), (1729, 23073), (5187, 7691)]