56281563

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{37003}}^1$

素因数の和:37035

約数の個数: 18

約数和(自身を含む): 88032516

約数和(自身を除く): 31750953

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 37003, 111009, 333027, 481039, 1443117, 4329351, 6253507, 18760521, 56281563]

約数ペア:

[(1, 56281563), (3, 18760521), (9, 6253507), (13, 4329351), (39, 1443117), (117, 481039), (169, 333027), (507, 111009), (1521, 37003)]