12517215

素因数分解:

$3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2081}}^1$

素因数の和:2490

約数の個数: 16

約数和(自身を含む): 20087136

約数和(自身を除く): 7569921

約数列:

[1, 3, 5, 15, 401, 1203, 2005, 2081, 6015, 6243, 10405, 31215, 834481, 2503443, 4172405, 12517215]

約数ペア:

[(1, 12517215), (3, 4172405), (5, 2503443), (15, 834481), (401, 31215), (1203, 10405), (2005, 6243), (2081, 6015)]