80771715

素因数分解:

$3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2683}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 144291840

約数和(自身を除く): 63520125

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 223, 669, 1115, 2007, 2683, 3345, 6021, 8049, 10035, 13415, 24147, 30105, 40245, 72441, 120735, 362205, 598309, 1794927, 2991545, 5384781, 8974635, 16154343, 26923905, 80771715]

約数ペア:

[(1, 80771715), (3, 26923905), (5, 16154343), (9, 8974635), (15, 5384781), (27, 2991545), (45, 1794927), (135, 598309), (223, 362205), (669, 120735), (1115, 72441), (2007, 40245), (2683, 30105), (3345, 24147), (6021, 13415), (8049, 10035)]