80860905

素因数分解:

$3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{7159}}^1$

素因数の和:7421

約数の個数: 24

約数和(自身を含む): 140736960

約数和(自身を除く): 59876055

約数列:

[1, 3, 5, 9, 15, 45, 251, 753, 1255, 2259, 3765, 7159, 11295, 21477, 35795, 64431, 107385, 322155, 1796909, 5390727, 8984545, 16172181, 26953635, 80860905]

約数ペア:

[(1, 80860905), (3, 26953635), (5, 16172181), (9, 8984545), (15, 5390727), (45, 1796909), (251, 322155), (753, 107385), (1255, 64431), (2259, 35795), (3765, 21477), (7159, 11295)]