11921775

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3877}}^1$

素因数の和:3931

約数の個数: 24

約数和(自身を含む): 20196624

約数和(自身を除く): 8274849

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 3877, 11631, 19385, 58155, 96925, 158957, 290775, 476871, 794785, 2384355, 3973925, 11921775]

約数ペア:

[(1, 11921775), (3, 3973925), (5, 2384355), (15, 794785), (25, 476871), (41, 290775), (75, 158957), (123, 96925), (205, 58155), (615, 19385), (1025, 11631), (3075, 3877)]