180804987

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{881}}^1$

素因数の和:1592

約数の個数: 32

約数和(自身を含む): 292965120

約数和(自身を除く): 112160133

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 691, 881, 2073, 2643, 6219, 7601, 7929, 9691, 18657, 22803, 23787, 29073, 68409, 87219, 205227, 261657, 608771, 1826313, 5478939, 6696481, 16436817, 20089443, 60268329, 180804987]

約数ペア:

[(1, 180804987), (3, 60268329), (9, 20089443), (11, 16436817), (27, 6696481), (33, 5478939), (99, 1826313), (297, 608771), (691, 261657), (881, 205227), (2073, 87219), (2643, 68409), (6219, 29073), (7601, 23787), (7929, 22803), (9691, 18657)]