40905999

素因数分解:

$3^3\times {\mathrm{1213}}^1\times {\mathrm{1249}}^1$

素因数の和:2471

約数の個数: 16

約数和(自身を含む): 60700000

約数和(自身を除く): 19794001

約数列:

[1, 3, 9, 27, 1213, 1249, 3639, 3747, 10917, 11241, 32751, 33723, 1515037, 4545111, 13635333, 40905999]

約数ペア:

[(1, 40905999), (3, 13635333), (9, 4545111), (27, 1515037), (1213, 33723), (1249, 32751), (3639, 11241), (3747, 10917)]