20171517

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:652

約数の個数: 16

約数和(自身を含む): 27378240

約数和(自身を除く): 7206723

約数列:

[1, 3, 113, 157, 339, 379, 471, 1137, 17741, 42827, 53223, 59503, 128481, 178509, 6723839, 20171517]

約数ペア:

[(1, 20171517), (3, 6723839), (113, 178509), (157, 128481), (339, 59503), (379, 53223), (471, 42827), (1137, 17741)]