28372221

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{11807}}^1$

素因数の和:11905

約数の個数: 16

約数和(自身を含む): 42508800

約数和(自身を除く): 14136579

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 11807, 35421, 106263, 318789, 1050823, 3152469, 9457407, 28372221]

約数ペア:

[(1, 28372221), (3, 9457407), (9, 3152469), (27, 1050823), (89, 318789), (267, 106263), (801, 35421), (2403, 11807)]