65421405

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 134369280

約数和(自身を除く): 68947875

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 107, 135, 189, 315, 321, 535, 647, 749, 945, 963, 1605, 1941, 2247, 2889, 3235, 3745, 4529, 4815, 5823, 6741, 9705, 11235, 13587, 14445, 17469, 20223, 22645, 29115, 33705, 40761, 67935, 69229, 87345, 101115, 122283, 203805, 207687, 346145, 484603, 611415, 623061, 1038435, 1453809, 1869183, 2423015, 3115305, 4361427, 7269045, 9345915, 13084281, 21807135, 65421405]

約数ペア:

[(1, 65421405), (3, 21807135), (5, 13084281), (7, 9345915), (9, 7269045), (15, 4361427), (21, 3115305), (27, 2423015), (35, 1869183), (45, 1453809), (63, 1038435), (105, 623061), (107, 611415), (135, 484603), (189, 346145), (315, 207687), (321, 203805), (535, 122283), (647, 101115), (749, 87345), (945, 69229), (963, 67935), (1605, 40761), (1941, 33705), (2247, 29115), (2889, 22645), (3235, 20223), (3745, 17469), (4529, 14445), (4815, 13587), (5823, 11235), (6741, 9705)]