2784081

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 3913344

約数和(自身を除く): 1129263

約数列:

[1, 3, 23, 69, 157, 257, 471, 771, 3611, 5911, 10833, 17733, 40349, 121047, 928027, 2784081]

約数ペア:

[(1, 2784081), (3, 928027), (23, 121047), (69, 40349), (157, 17733), (257, 10833), (471, 5911), (771, 3611)]