2181567195

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{3221}}^1$

素因数の和:3437

約数の個数: 64

約数和(自身を含む): 4036521600

約数和(自身を除く): 1854954405

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 173, 261, 435, 519, 783, 865, 1305, 1557, 2595, 3221, 3915, 4671, 5017, 7785, 9663, 15051, 16105, 23355, 25085, 28989, 45153, 48315, 75255, 86967, 93409, 135459, 144945, 225765, 280227, 434835, 467045, 557233, 677295, 840681, 1401135, 1671699, 2522043, 2786165, 4203405, 5015097, 8358495, 12610215, 15045291, 16159757, 25075485, 48479271, 75226455, 80798785, 145437813, 242396355, 436313439, 727189065, 2181567195]

約数ペア:

[(1, 2181567195), (3, 727189065), (5, 436313439), (9, 242396355), (15, 145437813), (27, 80798785), (29, 75226455), (45, 48479271), (87, 25075485), (135, 16159757), (145, 15045291), (173, 12610215), (261, 8358495), (435, 5015097), (519, 4203405), (783, 2786165), (865, 2522043), (1305, 1671699), (1557, 1401135), (2595, 840681), (3221, 677295), (3915, 557233), (4671, 467045), (5017, 434835), (7785, 280227), (9663, 225765), (15051, 144945), (16105, 135459), (23355, 93409), (25085, 86967), (28989, 75255), (45153, 48315)]