18041805

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 32400000

約数和(自身を除く): 14358195

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1249, 1605, 2889, 3747, 4815, 6245, 11241, 14445, 18735, 33723, 56205, 133643, 168615, 400929, 668215, 1202787, 2004645, 3608361, 6013935, 18041805]

約数ペア:

[(1, 18041805), (3, 6013935), (5, 3608361), (9, 2004645), (15, 1202787), (27, 668215), (45, 400929), (107, 168615), (135, 133643), (321, 56205), (535, 33723), (963, 18735), (1249, 14445), (1605, 11241), (2889, 6245), (3747, 4815)]