28027605

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26317}}^1$

素因数の和:26396

約数の個数: 16

約数和(自身を含む): 45477504

約数和(自身を除く): 17449899

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26317, 78951, 131585, 394755, 1868507, 5605521, 9342535, 28027605]

約数ペア:

[(1, 28027605), (3, 9342535), (5, 5605521), (15, 1868507), (71, 394755), (213, 131585), (355, 78951), (1065, 26317)]