28703781

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{13457}}^1$

素因数の和:13545

約数の個数: 16

約数和(自身を含む): 43065600

約数和(自身を除く): 14361819

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 13457, 40371, 121113, 363339, 1063103, 3189309, 9567927, 28703781]

約数ペア:

[(1, 28703781), (3, 9567927), (9, 3189309), (27, 1063103), (79, 363339), (237, 121113), (711, 40371), (2133, 13457)]