28965681

素因数分解:

$3^4\times {\mathrm{541}}^1\times {\mathrm{661}}^1$

素因数の和:1214

約数の個数: 20

約数和(自身を含む): 43415284

約数和(自身を除く): 14449603

約数列:

[1, 3, 9, 27, 81, 541, 661, 1623, 1983, 4869, 5949, 14607, 17847, 43821, 53541, 357601, 1072803, 3218409, 9655227, 28965681]

約数ペア:

[(1, 28965681), (3, 9655227), (9, 3218409), (27, 1072803), (81, 357601), (541, 53541), (661, 43821), (1623, 17847), (1983, 14607), (4869, 5949)]