239906043

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1663}}^1$

素因数の和:1825

約数の個数: 40

約数和(自身を含む): 388996608

約数和(自身を除く): 149090565

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 137, 351, 411, 1053, 1233, 1663, 1781, 3699, 4989, 5343, 11097, 14967, 16029, 21619, 44901, 48087, 64857, 134703, 144261, 194571, 227831, 583713, 683493, 1751139, 2050479, 2961803, 6151437, 8885409, 18454311, 26656227, 79968681, 239906043]

約数ペア:

[(1, 239906043), (3, 79968681), (9, 26656227), (13, 18454311), (27, 8885409), (39, 6151437), (81, 2961803), (117, 2050479), (137, 1751139), (351, 683493), (411, 583713), (1053, 227831), (1233, 194571), (1663, 144261), (1781, 134703), (3699, 64857), (4989, 48087), (5343, 44901), (11097, 21619), (14967, 16029)]