15305985

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2447}}^1$

素因数の和:2597

約数の個数: 24

約数和(自身を含む): 26732160

約数和(自身を除く): 11426175

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 2447, 6255, 7341, 12235, 22023, 36705, 110115, 340133, 1020399, 1700665, 3061197, 5101995, 15305985]

約数ペア:

[(1, 15305985), (3, 5101995), (5, 3061197), (9, 1700665), (15, 1020399), (45, 340133), (139, 110115), (417, 36705), (695, 22023), (1251, 12235), (2085, 7341), (2447, 6255)]