28019715

素因数分解:

$3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2309}}^1$

素因数の和:3126

約数の個数: 16

約数和(自身を含む): 44906400

約数和(自身を除く): 16886685

約数列:

[1, 3, 5, 15, 809, 2309, 2427, 4045, 6927, 11545, 12135, 34635, 1867981, 5603943, 9339905, 28019715]

約数ペア:

[(1, 28019715), (3, 9339905), (5, 5603943), (15, 1867981), (809, 34635), (2309, 12135), (2427, 11545), (4045, 6927)]