28857525

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{16729}}^1$

素因数の和:16765

約数の個数: 24

約数和(自身を含む): 49788480

約数和(自身を除く): 20930955

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 16729, 50187, 83645, 250935, 384767, 418225, 1154301, 1254675, 1923835, 5771505, 9619175, 28857525]

約数ペア:

[(1, 28857525), (3, 9619175), (5, 5771505), (15, 1923835), (23, 1254675), (25, 1154301), (69, 418225), (75, 384767), (115, 250935), (345, 83645), (575, 50187), (1725, 16729)]