28960245

素因数分解:

$3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2447}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 50409216

約数和(自身を除く): 21448971

約数列:

[1, 3, 5, 9, 15, 45, 263, 789, 1315, 2367, 2447, 3945, 7341, 11835, 12235, 22023, 36705, 110115, 643561, 1930683, 3217805, 5792049, 9653415, 28960245]

約数ペア:

[(1, 28960245), (3, 9653415), (5, 5792049), (9, 3217805), (15, 1930683), (45, 643561), (263, 110115), (789, 36705), (1315, 22023), (2367, 12235), (2447, 11835), (3945, 7341)]