28079475

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{3499}}^1$

素因数の和:3619

約数の個数: 24

約数和(自身を含む): 46872000

約数和(自身を除く): 18792525

約数列:

[1, 3, 5, 15, 25, 75, 107, 321, 535, 1605, 2675, 3499, 8025, 10497, 17495, 52485, 87475, 262425, 374393, 1123179, 1871965, 5615895, 9359825, 28079475]

約数ペア:

[(1, 28079475), (3, 9359825), (5, 5615895), (15, 1871965), (25, 1123179), (75, 374393), (107, 262425), (321, 87475), (535, 52485), (1605, 17495), (2675, 10497), (3499, 8025)]