3997275

素因数分解:

$3^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 6666240

約数和(自身を除く): 2668965

約数列:

[1, 3, 5, 15, 25, 75, 223, 239, 669, 717, 1115, 1195, 3345, 3585, 5575, 5975, 16725, 17925, 53297, 159891, 266485, 799455, 1332425, 3997275]

約数ペア:

[(1, 3997275), (3, 1332425), (5, 799455), (15, 266485), (25, 159891), (75, 53297), (223, 17925), (239, 16725), (669, 5975), (717, 5575), (1115, 3585), (1195, 3345)]