72780795

素因数分解:

$3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2237}}^1$

素因数の和:2492

約数の個数: 32

約数和(自身を含む): 129983040

約数和(自身を除く): 57202245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 241, 723, 1205, 2169, 2237, 3615, 6507, 6711, 10845, 11185, 20133, 32535, 33555, 60399, 100665, 301995, 539117, 1617351, 2695585, 4852053, 8086755, 14556159, 24260265, 72780795]

約数ペア:

[(1, 72780795), (3, 24260265), (5, 14556159), (9, 8086755), (15, 4852053), (27, 2695585), (45, 1617351), (135, 539117), (241, 301995), (723, 100665), (1205, 60399), (2169, 33555), (2237, 32535), (3615, 20133), (6507, 11185), (6711, 10845)]