8505

素因数分解:

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

素因数の和:27

約数の個数: 24

約数和(自身を含む): 17472

約数和(自身を除く): 8967

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2835, 8505]

約数ペア:

[(1, 8505), (3, 2835), (5, 1701), (7, 1215), (9, 945), (15, 567), (21, 405), (27, 315), (35, 243), (45, 189), (63, 135), (81, 105)]