260664927

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{71987}}^1$

素因数の和:72078

約数の個数: 16

約数和(自身を含む): 373185792

約数和(自身を除く): 112520865

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 71987, 215961, 1223779, 3671337, 5111077, 15333231, 86888309, 260664927]

約数ペア:

[(1, 260664927), (3, 86888309), (17, 15333231), (51, 5111077), (71, 3671337), (213, 1223779), (1207, 215961), (3621, 71987)]