28929987

素因数分解:

$3^3\times {\mathrm{661}}^1\times {\mathrm{1621}}^1$

素因数の和:2291

約数の個数: 16

約数和(自身を含む): 42950560

約数和(自身を除く): 14020573

約数列:

[1, 3, 9, 27, 661, 1621, 1983, 4863, 5949, 14589, 17847, 43767, 1071481, 3214443, 9643329, 28929987]

約数ペア:

[(1, 28929987), (3, 9643329), (9, 3214443), (27, 1071481), (661, 43767), (1621, 17847), (1983, 14589), (4863, 5949)]