1620971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 16

約数和(自身を含む): 1900800

約数和(自身を除く): 279829

約数列:

[1, 11, 23, 43, 149, 253, 473, 989, 1639, 3427, 6407, 10879, 37697, 70477, 147361, 1620971]

約数ペア:

[(1, 1620971), (11, 147361), (23, 70477), (43, 37697), (149, 10879), (253, 6407), (473, 3427), (989, 1639)]