2538075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 4299328

約数和(自身を除く): 1761253

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 787, 1075, 2361, 3225, 3935, 11805, 19675, 33841, 59025, 101523, 169205, 507615, 846025, 2538075]

約数ペア:

[(1, 2538075), (3, 846025), (5, 507615), (15, 169205), (25, 101523), (43, 59025), (75, 33841), (129, 19675), (215, 11805), (645, 3935), (787, 3225), (1075, 2361)]