13288575

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1087}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 22125568

約数和(自身を除く): 8836993

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 1087, 2445, 3261, 4075, 5435, 12225, 16305, 27175, 81525, 177181, 531543, 885905, 2657715, 4429525, 13288575]

約数ペア:

[(1, 13288575), (3, 4429525), (5, 2657715), (15, 885905), (25, 531543), (75, 177181), (163, 81525), (489, 27175), (815, 16305), (1087, 12225), (2445, 5435), (3261, 4075)]