81067175

素因数分解:

$5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3109}}^1$

素因数の和:3275

約数の個数: 24

約数和(自身を含む): 115692000

約数和(自身を除く): 34624825

約数列:

[1, 5, 7, 25, 35, 149, 175, 745, 1043, 3109, 3725, 5215, 15545, 21763, 26075, 77725, 108815, 463241, 544075, 2316205, 3242687, 11581025, 16213435, 81067175]

約数ペア:

[(1, 81067175), (5, 16213435), (7, 11581025), (25, 3242687), (35, 2316205), (149, 544075), (175, 463241), (745, 108815), (1043, 77725), (3109, 26075), (3725, 21763), (5215, 15545)]