201520207

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{2591}}^1$

素因数の和:2910

約数の個数: 16

約数和(自身を含む): 236888064

約数和(自身を除く): 35367857

約数列:

[1, 7, 41, 271, 287, 1897, 2591, 11111, 18137, 77777, 106231, 702161, 743617, 4915127, 28788601, 201520207]

約数ペア:

[(1, 201520207), (7, 28788601), (41, 4915127), (271, 743617), (287, 702161), (1897, 106231), (2591, 77777), (11111, 18137)]