18008145

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2879}}^1$

素因数の和:3029

約数の個数: 24

約数和(自身を含む): 31449600

約数和(自身を除く): 13441455

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 2879, 6255, 8637, 14395, 25911, 43185, 129555, 400181, 1200543, 2000905, 3601629, 6002715, 18008145]

約数ペア:

[(1, 18008145), (3, 6002715), (5, 3601629), (9, 2000905), (15, 1200543), (45, 400181), (139, 129555), (417, 43185), (695, 25911), (1251, 14395), (2085, 8637), (2879, 6255)]