81412779

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2351}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 132765696

約数和(自身を除く): 51352917

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 291, 357, 679, 1649, 2037, 2351, 4947, 7053, 11543, 16457, 34629, 39967, 49371, 119901, 228047, 279769, 684141, 839307, 1596329, 3876799, 4788987, 11630397, 27137593, 81412779]

約数ペア:

[(1, 81412779), (3, 27137593), (7, 11630397), (17, 4788987), (21, 3876799), (51, 1596329), (97, 839307), (119, 684141), (291, 279769), (357, 228047), (679, 119901), (1649, 49371), (2037, 39967), (2351, 34629), (4947, 16457), (7053, 11543)]