80181825

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{8161}}^1$

素因数の和:8305

約数の個数: 24

約数和(自身を含む): 133595616

約数和(自身を除く): 53413791

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 3275, 8161, 9825, 24483, 40805, 122415, 204025, 612075, 1069091, 3207273, 5345455, 16036365, 26727275, 80181825]

約数ペア:

[(1, 80181825), (3, 26727275), (5, 16036365), (15, 5345455), (25, 3207273), (75, 1069091), (131, 612075), (393, 204025), (655, 122415), (1965, 40805), (3275, 24483), (8161, 9825)]