12748347

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{5077}}^1$

素因数の和:5120

約数の個数: 20

約数和(自身を含む): 19662016

約数和(自身を除く): 6913669

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 5077, 15231, 45693, 137079, 157387, 411237, 472161, 1416483, 4249449, 12748347]

約数ペア:

[(1, 12748347), (3, 4249449), (9, 1416483), (27, 472161), (31, 411237), (81, 157387), (93, 137079), (279, 45693), (837, 15231), (2511, 5077)]