2700405

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 4878720

約数和(自身を除く): 2178315

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 241, 249, 415, 723, 747, 1205, 1245, 2169, 2241, 3615, 3735, 6507, 10845, 11205, 20003, 32535, 60009, 100015, 180027, 300045, 540081, 900135, 2700405]

約数ペア:

[(1, 2700405), (3, 900135), (5, 540081), (9, 300045), (15, 180027), (27, 100015), (45, 60009), (83, 32535), (135, 20003), (241, 11205), (249, 10845), (415, 6507), (723, 3735), (747, 3615), (1205, 2241), (1245, 2169)]