20161519119

素因数分解:

$3^2\times 7^1\times {\mathrm{320024113}}^1$

素因数の和:320024126

約数の個数: 12

約数和(自身を含む): 33282507856

約数和(自身を除く): 13120988737

約数列:

[1, 3, 7, 9, 21, 63, 320024113, 960072339, 2240168791, 2880217017, 6720506373, 20161519119]

約数ペア:

[(1, 20161519119), (3, 6720506373), (7, 2880217017), (9, 2240168791), (21, 960072339), (63, 320024113)]