169989981

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{132701}}^1$

素因数の和:132772

約数の個数: 16

約数和(自身を含む): 263280768

約数和(自身を除く): 93290787

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 132701, 398103, 928907, 2786721, 8094761, 24284283, 56663327, 169989981]

約数ペア:

[(1, 169989981), (3, 56663327), (7, 24284283), (21, 8094761), (61, 2786721), (183, 928907), (427, 398103), (1281, 132701)]