8642457

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{4639}}^1$

素因数の和:4674

約数の個数: 20

約数和(自身を含む): 13474560

約数和(自身を除く): 4832103

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 4639, 13917, 41751, 106697, 125253, 320091, 375759, 960273, 2880819, 8642457]

約数ペア:

[(1, 8642457), (3, 2880819), (9, 960273), (23, 375759), (27, 320091), (69, 125253), (81, 106697), (207, 41751), (621, 13917), (1863, 4639)]