28857765

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40933}}^1$

素因数の和:40988

約数の個数: 16

約数和(自身を含む): 47155968

約数和(自身を除く): 18298203

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 40933, 122799, 204665, 613995, 1923851, 5771553, 9619255, 28857765]

約数ペア:

[(1, 28857765), (3, 9619255), (5, 5771553), (15, 1923851), (47, 613995), (141, 204665), (235, 122799), (705, 40933)]