30991389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5557}}^1$

素因数の和:5597

約数の個数: 24

約数和(自身を含む): 48821472

約数和(自身を除く): 17830083

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 5557, 5577, 16671, 61127, 72241, 183381, 216723, 794651, 939133, 2383953, 2817399, 10330463, 30991389]

約数ペア:

[(1, 30991389), (3, 10330463), (11, 2817399), (13, 2383953), (33, 939133), (39, 794651), (143, 216723), (169, 183381), (429, 72241), (507, 61127), (1859, 16671), (5557, 5577)]