2101775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 2916480

約数和(自身を除く): 814705

約数列:

[1, 5, 13, 25, 29, 65, 145, 223, 325, 377, 725, 1115, 1885, 2899, 5575, 6467, 9425, 14495, 32335, 72475, 84071, 161675, 420355, 2101775]

約数ペア:

[(1, 2101775), (5, 420355), (13, 161675), (25, 84071), (29, 72475), (65, 32335), (145, 14495), (223, 9425), (325, 6467), (377, 5575), (725, 2899), (1115, 1885)]