15393969

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{8263}}^1$

素因数の和:8298

約数の個数: 20

約数和(自身を含む): 23998656

約数和(自身を除く): 8604687

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 8263, 24789, 74367, 190049, 223101, 570147, 669303, 1710441, 5131323, 15393969]

約数ペア:

[(1, 15393969), (3, 5131323), (9, 1710441), (23, 669303), (27, 570147), (69, 223101), (81, 190049), (207, 74367), (621, 24789), (1863, 8263)]