28127805

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43609}}^1$

素因数の和:43660

約数の個数: 16

約数和(自身を含む): 46052160

約数和(自身を除く): 17924355

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43609, 130827, 218045, 654135, 1875187, 5625561, 9375935, 28127805]

約数ペア:

[(1, 28127805), (3, 9375935), (5, 5625561), (15, 1875187), (43, 654135), (129, 218045), (215, 130827), (645, 43609)]