28381071

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 38457344

約数和(自身を除く): 10076273

約数列:

[1, 3, 127, 163, 381, 457, 489, 1371, 20701, 58039, 62103, 74491, 174117, 223473, 9460357, 28381071]

約数ペア:

[(1, 28381071), (3, 9460357), (127, 223473), (163, 174117), (381, 74491), (457, 62103), (489, 58039), (1371, 20701)]