15721971405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{853}}^1\times {\mathrm{6053}}^1$

素因数の和:6950

約数の個数: 64

約数和(自身を含む): 29779868160

約数和(自身を除く): 14057896755

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 853, 1015, 2559, 3045, 4265, 5971, 6053, 12795, 17913, 18159, 24737, 29855, 30265, 42371, 74211, 89565, 90795, 123685, 127113, 173159, 175537, 211855, 371055, 519477, 526611, 635565, 865795, 877685, 1228759, 2597385, 2633055, 3686277, 5163209, 6143795, 15489627, 18431385, 25816045, 36142463, 77448135, 108427389, 149733061, 180712315, 449199183, 542136945, 748665305, 1048131427, 2245995915, 3144394281, 5240657135, 15721971405]

約数ペア:

[(1, 15721971405), (3, 5240657135), (5, 3144394281), (7, 2245995915), (15, 1048131427), (21, 748665305), (29, 542136945), (35, 449199183), (87, 180712315), (105, 149733061), (145, 108427389), (203, 77448135), (435, 36142463), (609, 25816045), (853, 18431385), (1015, 15489627), (2559, 6143795), (3045, 5163209), (4265, 3686277), (5971, 2633055), (6053, 2597385), (12795, 1228759), (17913, 877685), (18159, 865795), (24737, 635565), (29855, 526611), (30265, 519477), (42371, 371055), (74211, 211855), (89565, 175537), (90795, 173159), (123685, 127113)]