80621505

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{14107}}^1$

素因数の和:14245

約数の個数: 24

約数和(自身を含む): 140854272

約数和(自身を除く): 60232767

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 5715, 14107, 42321, 70535, 126963, 211605, 634815, 1791589, 5374767, 8957945, 16124301, 26873835, 80621505]

約数ペア:

[(1, 80621505), (3, 26873835), (5, 16124301), (9, 8957945), (15, 5374767), (45, 1791589), (127, 634815), (381, 211605), (635, 126963), (1143, 70535), (1905, 42321), (5715, 14107)]