6615

素因数分解:

$3^3\times 5^1\times 7^2$

素因数の和:28

約数の個数: 24

約数和(自身を含む): 13680

約数和(自身を除く): 7065

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615]

約数ペア:

[(1, 6615), (3, 2205), (5, 1323), (7, 945), (9, 735), (15, 441), (21, 315), (27, 245), (35, 189), (45, 147), (49, 135), (63, 105)]