8271575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:875

約数の個数: 24

約数和(自身を含む): 11415936

約数和(自身を除く): 3144361

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 821, 2015, 4105, 10075, 10673, 20525, 25451, 53365, 127255, 266825, 330863, 636275, 1654315, 8271575]

約数ペア:

[(1, 8271575), (5, 1654315), (13, 636275), (25, 330863), (31, 266825), (65, 127255), (155, 53365), (325, 25451), (403, 20525), (775, 10673), (821, 10075), (2015, 4105)]