81630075

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{10567}}^1$

素因数の和:10683

約数の個数: 24

約数和(自身を含む): 136284928

約数和(自身を除く): 54654853

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 7725, 10567, 31701, 52835, 158505, 264175, 792525, 1088401, 3265203, 5442005, 16326015, 27210025, 81630075]

約数ペア:

[(1, 81630075), (3, 27210025), (5, 16326015), (15, 5442005), (25, 3265203), (75, 1088401), (103, 792525), (309, 264175), (515, 158505), (1545, 52835), (2575, 31701), (7725, 10567)]