15131691

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2099}}^1$

素因数の和:2200

約数の個数: 20

約数和(自身を含む): 22869000

約数和(自身を除く): 7737309

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2099, 2403, 6297, 7209, 18891, 56673, 170019, 186811, 560433, 1681299, 5043897, 15131691]

約数ペア:

[(1, 15131691), (3, 5043897), (9, 1681299), (27, 560433), (81, 186811), (89, 170019), (267, 56673), (801, 18891), (2099, 7209), (2403, 6297)]