77080005

素因数分解:

$3^4\times 5^1\times {\mathrm{190321}}^1$

素因数の和:190338

約数の個数: 20

約数和(自身を含む): 138173772

約数和(自身を除く): 61093767

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 190321, 570963, 951605, 1712889, 2854815, 5138667, 8564445, 15416001, 25693335, 77080005]

約数ペア:

[(1, 77080005), (3, 25693335), (5, 15416001), (9, 8564445), (15, 5138667), (27, 2854815), (45, 1712889), (81, 951605), (135, 570963), (405, 190321)]