25757865

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 53061120

約数和(自身を除く): 27303255

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 97, 105, 135, 189, 281, 291, 315, 485, 679, 843, 873, 945, 1405, 1455, 1967, 2037, 2529, 2619, 3395, 4215, 4365, 5901, 6111, 7587, 9835, 10185, 12645, 13095, 17703, 18333, 27257, 29505, 30555, 37935, 53109, 81771, 88515, 91665, 136285, 190799, 245313, 265545, 408855, 572397, 735939, 953995, 1226565, 1717191, 2861985, 3679695, 5151573, 8585955, 25757865]

約数ペア:

[(1, 25757865), (3, 8585955), (5, 5151573), (7, 3679695), (9, 2861985), (15, 1717191), (21, 1226565), (27, 953995), (35, 735939), (45, 572397), (63, 408855), (97, 265545), (105, 245313), (135, 190799), (189, 136285), (281, 91665), (291, 88515), (315, 81771), (485, 53109), (679, 37935), (843, 30555), (873, 29505), (945, 27257), (1405, 18333), (1455, 17703), (1967, 13095), (2037, 12645), (2529, 10185), (2619, 9835), (3395, 7587), (4215, 6111), (4365, 5901)]