18135945

素因数分解:

$3^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{863}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 31539456

約数和(自身を除く): 13403511

約数列:

[1, 3, 5, 9, 15, 45, 467, 863, 1401, 2335, 2589, 4203, 4315, 7005, 7767, 12945, 21015, 38835, 403021, 1209063, 2015105, 3627189, 6045315, 18135945]

約数ペア:

[(1, 18135945), (3, 6045315), (5, 3627189), (9, 2015105), (15, 1209063), (45, 403021), (467, 38835), (863, 21015), (1401, 12945), (2335, 7767), (2589, 7005), (4203, 4315)]