17968671

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1279}}^1$

素因数の和:1515

約数の個数: 24

約数和(自身を含む): 29818880

約数和(自身を除く): 11850209

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1279, 1561, 2007, 3837, 4683, 8953, 11511, 14049, 26859, 80577, 285217, 855651, 1996519, 2566953, 5989557, 17968671]

約数ペア:

[(1, 17968671), (3, 5989557), (7, 2566953), (9, 1996519), (21, 855651), (63, 285217), (223, 80577), (669, 26859), (1279, 14049), (1561, 11511), (2007, 8953), (3837, 4683)]