15355557

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1093}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 25485824

約数和(自身を除く): 10130267

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1093, 1561, 2007, 3279, 4683, 7651, 9837, 14049, 22953, 68859, 243739, 731217, 1706173, 2193651, 5118519, 15355557]

約数ペア:

[(1, 15355557), (3, 5118519), (7, 2193651), (9, 1706173), (21, 731217), (63, 243739), (223, 68859), (669, 22953), (1093, 14049), (1561, 9837), (2007, 7651), (3279, 4683)]