287683731

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1747}}^1$

素因数の和:1885

約数の個数: 40

約数和(自身を含む): 456857280

約数和(自身を除く): 169173549

約数列:

[1, 3, 9, 19, 27, 57, 81, 107, 171, 321, 513, 963, 1539, 1747, 2033, 2889, 5241, 6099, 8667, 15723, 18297, 33193, 47169, 54891, 99579, 141507, 164673, 186929, 298737, 560787, 896211, 1682361, 2688633, 3551651, 5047083, 10654953, 15141249, 31964859, 95894577, 287683731]

約数ペア:

[(1, 287683731), (3, 95894577), (9, 31964859), (19, 15141249), (27, 10654953), (57, 5047083), (81, 3551651), (107, 2688633), (171, 1682361), (321, 896211), (513, 560787), (963, 298737), (1539, 186929), (1747, 164673), (2033, 141507), (2889, 99579), (5241, 54891), (6099, 47169), (8667, 33193), (15723, 18297)]