28762857

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{15439}}^1$

素因数の和:15474

約数の個数: 20

約数和(自身を含む): 44837760

約数和(自身を除く): 16074903

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 15439, 46317, 138951, 355097, 416853, 1065291, 1250559, 3195873, 9587619, 28762857]

約数ペア:

[(1, 28762857), (3, 9587619), (9, 3195873), (23, 1250559), (27, 1065291), (69, 416853), (81, 355097), (207, 138951), (621, 46317), (1863, 15439)]