550291209

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{20479}}^1$

素因数の和:20561

約数の個数: 24

約数和(自身を含む): 809533440

約数和(自身を除く): 259242231

約数列:

[1, 3, 13, 39, 53, 159, 169, 507, 689, 2067, 8957, 20479, 26871, 61437, 266227, 798681, 1085387, 3256161, 3460951, 10382853, 14110031, 42330093, 183430403, 550291209]

約数ペア:

[(1, 550291209), (3, 183430403), (13, 42330093), (39, 14110031), (53, 10382853), (159, 3460951), (169, 3256161), (507, 1085387), (689, 798681), (2067, 266227), (8957, 61437), (20479, 26871)]