16915045

素因数分解:

$5^1\times 7^4\times {\mathrm{1409}}^1$

素因数の和:1442

約数の個数: 20

約数和(自身を含む): 23696460

約数和(自身を除く): 6781415

約数列:

[1, 5, 7, 35, 49, 245, 343, 1409, 1715, 2401, 7045, 9863, 12005, 49315, 69041, 345205, 483287, 2416435, 3383009, 16915045]

約数ペア:

[(1, 16915045), (5, 3383009), (7, 2416435), (35, 483287), (49, 345205), (245, 69041), (343, 49315), (1409, 12005), (1715, 9863), (2401, 7045)]