2639655

素因数分解:

$3^3\times 5^1\times {\mathrm{19553}}^1$

素因数の和:19567

約数の個数: 16

約数和(自身を含む): 4692960

約数和(自身を除く): 2053305

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 19553, 58659, 97765, 175977, 293295, 527931, 879885, 2639655]

約数ペア:

[(1, 2639655), (3, 879885), (5, 527931), (9, 293295), (15, 175977), (27, 97765), (45, 58659), (135, 19553)]