28904145

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8641}}^1$

素因数の和:8872

約数の個数: 16

約数和(自身を含む): 46459392

約数和(自身を除く): 17555247

約数列:

[1, 3, 5, 15, 223, 669, 1115, 3345, 8641, 25923, 43205, 129615, 1926943, 5780829, 9634715, 28904145]

約数ペア:

[(1, 28904145), (3, 9634715), (5, 5780829), (15, 1926943), (223, 129615), (669, 43205), (1115, 25923), (3345, 8641)]