266463

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 16

約数和(自身を含む): 403200

約数和(自身を除く): 136737

約数列:

[1, 3, 9, 27, 71, 139, 213, 417, 639, 1251, 1917, 3753, 9869, 29607, 88821, 266463]

約数ペア:

[(1, 266463), (3, 88821), (9, 29607), (27, 9869), (71, 3753), (139, 1917), (213, 1251), (417, 639)]