28140765

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{14321}}^1$

素因数の和:14460

約数の個数: 16

約数和(自身を含む): 45372096

約数和(自身を除く): 17231331

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 14321, 42963, 71605, 214815, 1876051, 5628153, 9380255, 28140765]

約数ペア:

[(1, 28140765), (3, 9380255), (5, 5628153), (15, 1876051), (131, 214815), (393, 71605), (655, 42963), (1965, 14321)]