218228127

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{180503}}^1$

素因数の和:180550

約数の個数: 16

約数和(自身を含む): 323463168

約数和(自身を除く): 105235041

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 180503, 541509, 2346539, 5595593, 7039617, 16786779, 72742709, 218228127]

約数ペア:

[(1, 218228127), (3, 72742709), (13, 16786779), (31, 7039617), (39, 5595593), (93, 2346539), (403, 541509), (1209, 180503)]