81040785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 159086592

約数和(自身を除く): 78045807

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 83, 85, 105, 119, 249, 255, 357, 415, 547, 581, 595, 1245, 1411, 1641, 1743, 1785, 2735, 2905, 3829, 4233, 7055, 8205, 8715, 9299, 9877, 11487, 19145, 21165, 27897, 29631, 45401, 46495, 49385, 57435, 65093, 136203, 139485, 148155, 195279, 227005, 317807, 325465, 681015, 771817, 953421, 976395, 1589035, 2315451, 3859085, 4767105, 5402719, 11577255, 16208157, 27013595, 81040785]

約数ペア:

[(1, 81040785), (3, 27013595), (5, 16208157), (7, 11577255), (15, 5402719), (17, 4767105), (21, 3859085), (35, 2315451), (51, 1589035), (83, 976395), (85, 953421), (105, 771817), (119, 681015), (249, 325465), (255, 317807), (357, 227005), (415, 195279), (547, 148155), (581, 139485), (595, 136203), (1245, 65093), (1411, 57435), (1641, 49385), (1743, 46495), (1785, 45401), (2735, 29631), (2905, 27897), (3829, 21165), (4233, 19145), (7055, 11487), (8205, 9877), (8715, 9299)]