2640309

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2131}}^1$

素因数の和:2200

約数の個数: 16

約数和(自身を含む): 4093440

約数和(自身を除く): 1453131

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 2131, 6393, 14917, 44751, 125729, 377187, 880103, 2640309]

約数ペア:

[(1, 2640309), (3, 880103), (7, 377187), (21, 125729), (59, 44751), (177, 14917), (413, 6393), (1239, 2131)]