12240315

素因数分解:

$3^4\times 5^1\times {\mathrm{30223}}^1$

素因数の和:30240

約数の個数: 20

約数和(自身を含む): 21942624

約数和(自身を除く): 9702309

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30223, 90669, 151115, 272007, 453345, 816021, 1360035, 2448063, 4080105, 12240315]

約数ペア:

[(1, 12240315), (3, 4080105), (5, 2448063), (9, 1360035), (15, 816021), (27, 453345), (45, 272007), (81, 151115), (135, 90669), (405, 30223)]