2720667

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 3888000

約数和(自身を除く): 1167333

約数列:

[1, 3, 19, 57, 59, 177, 809, 1121, 2427, 3363, 15371, 46113, 47731, 143193, 906889, 2720667]

約数ペア:

[(1, 2720667), (3, 906889), (19, 143193), (57, 47731), (59, 46113), (177, 15371), (809, 3363), (1121, 2427)]