81385809

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{2789}}^1$

素因数の和:3000

約数の個数: 16

約数和(自身を含む): 110885760

約数和(自身を除く): 29499951

約数列:

[1, 3, 71, 137, 213, 411, 2789, 8367, 9727, 29181, 198019, 382093, 594057, 1146279, 27128603, 81385809]

約数ペア:

[(1, 81385809), (3, 27128603), (71, 1146279), (137, 594057), (213, 382093), (411, 198019), (2789, 29181), (8367, 9727)]