1220921889

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1\times {\mathrm{28927}}^1$

素因数の和:30220

約数の個数: 16

約数和(自身を含む): 1777336320

約数和(自身を除く): 556414431

約数列:

[1, 3, 11, 33, 1279, 3837, 14069, 28927, 42207, 86781, 318197, 954591, 36997633, 110992899, 406973963, 1220921889]

約数ペア:

[(1, 1220921889), (3, 406973963), (11, 110992899), (33, 36997633), (1279, 954591), (3837, 318197), (14069, 86781), (28927, 42207)]