289553787

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 459613440

約数和(自身を除く): 170059653

約数列:

[1, 3, 9, 19, 43, 53, 57, 129, 159, 171, 387, 477, 743, 817, 1007, 2229, 2279, 2451, 3021, 6687, 6837, 7353, 9063, 14117, 20511, 31949, 39379, 42351, 43301, 95847, 118137, 127053, 129903, 287541, 354411, 389709, 607031, 748201, 1693297, 1821093, 2244603, 5079891, 5463279, 6733809, 15239673, 32172643, 96517929, 289553787]

約数ペア:

[(1, 289553787), (3, 96517929), (9, 32172643), (19, 15239673), (43, 6733809), (53, 5463279), (57, 5079891), (129, 2244603), (159, 1821093), (171, 1693297), (387, 748201), (477, 607031), (743, 389709), (817, 354411), (1007, 287541), (2229, 129903), (2279, 127053), (2451, 118137), (3021, 95847), (6687, 43301), (6837, 42351), (7353, 39379), (9063, 31949), (14117, 20511)]