12001905

素因数分解:

$3^3\times 5^1\times {\mathrm{88903}}^1$

素因数の和:88917

約数の個数: 16

約数和(自身を含む): 21336960

約数和(自身を除く): 9335055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 88903, 266709, 444515, 800127, 1333545, 2400381, 4000635, 12001905]

約数ペア:

[(1, 12001905), (3, 4000635), (5, 2400381), (9, 1333545), (15, 800127), (27, 444515), (45, 266709), (135, 88903)]