68494815

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3191}}^1$

素因数の和:3261

約数の個数: 40

約数和(自身を含む): 125139168

約数和(自身を除く): 56644353

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 3191, 4293, 7155, 9573, 15955, 21465, 28719, 47865, 86157, 143595, 169123, 258471, 430785, 507369, 845615, 1292355, 1522107, 2536845, 4566321, 7610535, 13698963, 22831605, 68494815]

約数ペア:

[(1, 68494815), (3, 22831605), (5, 13698963), (9, 7610535), (15, 4566321), (27, 2536845), (45, 1522107), (53, 1292355), (81, 845615), (135, 507369), (159, 430785), (265, 258471), (405, 169123), (477, 143595), (795, 86157), (1431, 47865), (2385, 28719), (3191, 21465), (4293, 15955), (7155, 9573)]