13540415

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3251}}^1$

素因数の和:3287

約数の個数: 24

約数和(自身を含む): 20019312

約数和(自身を除く): 6478897

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 3251, 4165, 16255, 22757, 55267, 113785, 159299, 276335, 386869, 796495, 1934345, 2708083, 13540415]

約数ペア:

[(1, 13540415), (5, 2708083), (7, 1934345), (17, 796495), (35, 386869), (49, 276335), (85, 159299), (119, 113785), (245, 55267), (595, 22757), (833, 16255), (3251, 4165)]