16628781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{22441}}^1$

素因数の和:22476

約数の個数: 16

約数和(自身を含む): 25135040

約数和(自身を除く): 8506259

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 22441, 67323, 291733, 426379, 875199, 1279137, 5542927, 16628781]

約数ペア:

[(1, 16628781), (3, 5542927), (13, 1279137), (19, 875199), (39, 426379), (57, 291733), (247, 67323), (741, 22441)]