12657021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 20482560

約数和(自身を除く): 7825539

約数列:

[1, 3, 13, 19, 29, 31, 39, 57, 87, 93, 247, 361, 377, 403, 551, 589, 741, 899, 1083, 1131, 1209, 1653, 1767, 2697, 4693, 7163, 7657, 10469, 11191, 11687, 14079, 17081, 21489, 22971, 31407, 33573, 35061, 51243, 136097, 145483, 222053, 324539, 408291, 436449, 666159, 973617, 4219007, 12657021]

約数ペア:

[(1, 12657021), (3, 4219007), (13, 973617), (19, 666159), (29, 436449), (31, 408291), (39, 324539), (57, 222053), (87, 145483), (93, 136097), (247, 51243), (361, 35061), (377, 33573), (403, 31407), (551, 22971), (589, 21489), (741, 17081), (899, 14079), (1083, 11687), (1131, 11191), (1209, 10469), (1653, 7657), (1767, 7163), (2697, 4693)]