12540021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2347}}^1$

素因数の和:2500

約数の個数: 16

約数和(自身を含む): 18145344

約数和(自身を除く): 5605323

約数列:

[1, 3, 13, 39, 137, 411, 1781, 2347, 5343, 7041, 30511, 91533, 321539, 964617, 4180007, 12540021]

約数ペア:

[(1, 12540021), (3, 4180007), (13, 964617), (39, 321539), (137, 91533), (411, 30511), (1781, 7041), (2347, 5343)]