12478257

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{523}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 19782048

約数和(自身を除く): 7303791

約数列:

[1, 3, 9, 11, 33, 99, 241, 523, 723, 1569, 2169, 2651, 4707, 5753, 7953, 17259, 23859, 51777, 126043, 378129, 1134387, 1386473, 4159419, 12478257]

約数ペア:

[(1, 12478257), (3, 4159419), (9, 1386473), (11, 1134387), (33, 378129), (99, 126043), (241, 51777), (523, 23859), (723, 17259), (1569, 7953), (2169, 5753), (2651, 4707)]