12784821

素因数分解:

$3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1093}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 19534464

約数和(自身を除く): 6749643

約数列:

[1, 3, 7, 21, 557, 1093, 1671, 3279, 3899, 7651, 11697, 22953, 608801, 1826403, 4261607, 12784821]

約数ペア:

[(1, 12784821), (3, 4261607), (7, 1826403), (21, 608801), (557, 22953), (1093, 11697), (1671, 7651), (3279, 3899)]