210005315

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{8017}}^1$

素因数の和:8079

約数の個数: 24

約数和(自身を含む): 281720448

約数和(自身を除く): 71715133

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 5239, 8017, 26195, 40085, 104221, 248527, 521105, 1242635, 1354873, 3230851, 6774365, 16154255, 42001063, 210005315]

約数ペア:

[(1, 210005315), (5, 42001063), (13, 16154255), (31, 6774365), (65, 3230851), (155, 1354873), (169, 1242635), (403, 521105), (845, 248527), (2015, 104221), (5239, 40085), (8017, 26195)]