138408975

素因数分解:

$3^2\times 5^2\times {\mathrm{615151}}^1$

素因数の和:615167

約数の個数: 18

約数和(自身を含む): 247906256

約数和(自身を除く): 109497281

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 615151, 1845453, 3075755, 5536359, 9227265, 15378775, 27681795, 46136325, 138408975]

約数ペア:

[(1, 138408975), (3, 46136325), (5, 27681795), (9, 15378775), (15, 9227265), (25, 5536359), (45, 3075755), (75, 1845453), (225, 615151)]