56161209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{21493}}^1$

素因数の和:21576

約数の個数: 16

約数和(自身を含む): 81849152

約数和(自身を除く): 25687943

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 21493, 64479, 279409, 838227, 1440031, 4320093, 18720403, 56161209]

約数ペア:

[(1, 56161209), (3, 18720403), (13, 4320093), (39, 1440031), (67, 838227), (201, 279409), (871, 64479), (2613, 21493)]