2720170131

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6817469}}^1$

素因数の和:6817498

約数の個数: 16

約数和(自身を含む): 4363180800

約数和(自身を除く): 1643010669

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 6817469, 20452407, 47722283, 129531911, 143166849, 388595733, 906723377, 2720170131]

約数ペア:

[(1, 2720170131), (3, 906723377), (7, 388595733), (19, 143166849), (21, 129531911), (57, 47722283), (133, 20452407), (399, 6817469)]