12640245

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4871}}^1$

素因数の和:5052

約数の個数: 16

約数和(自身を含む): 20345472

約数和(自身を除く): 7705227

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 4871, 14613, 24355, 73065, 842683, 2528049, 4213415, 12640245]

約数ペア:

[(1, 12640245), (3, 4213415), (5, 2528049), (15, 842683), (173, 73065), (519, 24355), (865, 14613), (2595, 4871)]