51286545

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7649}}^1$

素因数の和:7809

約数の個数: 24

約数和(自身を含む): 89505000

約数和(自身を除く): 38218455

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 6705, 7649, 22947, 38245, 68841, 114735, 344205, 1139701, 3419103, 5698505, 10257309, 17095515, 51286545]

約数ペア:

[(1, 51286545), (3, 17095515), (5, 10257309), (9, 5698505), (15, 3419103), (45, 1139701), (149, 344205), (447, 114735), (745, 68841), (1341, 38245), (2235, 22947), (6705, 7649)]