16551981

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 24504480

約数和(自身を除く): 7952499

約数列:

[1, 3, 9, 101, 131, 139, 303, 393, 417, 909, 1179, 1251, 13231, 14039, 18209, 39693, 42117, 54627, 119079, 126351, 163881, 1839109, 5517327, 16551981]

約数ペア:

[(1, 16551981), (3, 5517327), (9, 1839109), (101, 163881), (131, 126351), (139, 119079), (303, 54627), (393, 42117), (417, 39693), (909, 18209), (1179, 14039), (1251, 13231)]