212879973

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{15661}}^1$

素因数の和:15884

約数の個数: 16

約数和(自身を含む): 297703296

約数和(自身を除く): 84823323

約数列:

[1, 3, 23, 69, 197, 591, 4531, 13593, 15661, 46983, 360203, 1080609, 3085217, 9255651, 70959991, 212879973]

約数ペア:

[(1, 212879973), (3, 70959991), (23, 9255651), (69, 3085217), (197, 1080609), (591, 360203), (4531, 46983), (13593, 15661)]