11111375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{8081}}^1$

素因数の和:8107

約数の個数: 16

約数和(自身を含む): 15129504

約数和(自身を除く): 4018129

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 8081, 40405, 88891, 202025, 444455, 1010125, 2222275, 11111375]

約数ペア:

[(1, 11111375), (5, 2222275), (11, 1010125), (25, 444455), (55, 202025), (125, 88891), (275, 40405), (1375, 8081)]