80810205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1367}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 148137984

約数和(自身を除く): 67327779

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 563, 1367, 1689, 2815, 3941, 4101, 6835, 8445, 9569, 11823, 19705, 20505, 28707, 47845, 59115, 143535, 769621, 2308863, 3848105, 5387347, 11544315, 16162041, 26936735, 80810205]

約数ペア:

[(1, 80810205), (3, 26936735), (5, 16162041), (7, 11544315), (15, 5387347), (21, 3848105), (35, 2308863), (105, 769621), (563, 143535), (1367, 59115), (1689, 47845), (2815, 28707), (3941, 20505), (4101, 19705), (6835, 11823), (8445, 9569)]