13740405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1223}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 25380864

約数和(自身を除く): 11640459

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 107, 321, 535, 749, 1223, 1605, 2247, 3669, 3745, 6115, 8561, 11235, 18345, 25683, 42805, 128415, 130861, 392583, 654305, 916027, 1962915, 2748081, 4580135, 13740405]

約数ペア:

[(1, 13740405), (3, 4580135), (5, 2748081), (7, 1962915), (15, 916027), (21, 654305), (35, 392583), (105, 130861), (107, 128415), (321, 42805), (535, 25683), (749, 18345), (1223, 11235), (1605, 8561), (2247, 6115), (3669, 3745)]