17968905

素因数分解:

$3^3\times 5^1\times {\mathrm{133103}}^1$

素因数の和:133117

約数の個数: 16

約数和(自身を含む): 31944960

約数和(自身を除く): 13976055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 133103, 399309, 665515, 1197927, 1996545, 3593781, 5989635, 17968905]

約数ペア:

[(1, 17968905), (3, 5989635), (5, 3593781), (9, 1996545), (15, 1197927), (27, 665515), (45, 399309), (135, 133103)]