28668627

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81677}}^1$

素因数の和:81699

約数の個数: 16

約数和(自身を含む): 45739680

約数和(自身を除く): 17071053

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81677, 245031, 735093, 1061801, 2205279, 3185403, 9556209, 28668627]

約数ペア:

[(1, 28668627), (3, 9556209), (9, 3185403), (13, 2205279), (27, 1061801), (39, 735093), (117, 245031), (351, 81677)]