81445815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1201}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 155259936

約数和(自身を除く): 73814121

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 137, 165, 411, 495, 685, 1201, 1233, 1507, 2055, 3603, 4521, 6005, 6165, 7535, 10809, 13211, 13563, 18015, 22605, 39633, 54045, 66055, 67815, 118899, 164537, 198165, 493611, 594495, 822685, 1480833, 1809907, 2468055, 5429721, 7404165, 9049535, 16289163, 27148605, 81445815]

約数ペア:

[(1, 81445815), (3, 27148605), (5, 16289163), (9, 9049535), (11, 7404165), (15, 5429721), (33, 2468055), (45, 1809907), (55, 1480833), (99, 822685), (137, 594495), (165, 493611), (411, 198165), (495, 164537), (685, 118899), (1201, 67815), (1233, 66055), (1507, 54045), (2055, 39633), (3603, 22605), (4521, 18015), (6005, 13563), (6165, 13211), (7535, 10809)]