1331815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 1718208

約数和(自身を除く): 386393

約数列:

[1, 5, 23, 37, 115, 185, 313, 851, 1565, 4255, 7199, 11581, 35995, 57905, 266363, 1331815]

約数ペア:

[(1, 1331815), (5, 266363), (23, 57905), (37, 35995), (115, 11581), (185, 7199), (313, 4255), (851, 1565)]