199594239

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{393677}}^1$

素因数の和:393706

約数の個数: 12

約数和(自身を含む): 288172296

約数和(自身を除く): 88578057

約数列:

[1, 3, 13, 39, 169, 507, 393677, 1181031, 5117801, 15353403, 66531413, 199594239]

約数ペア:

[(1, 199594239), (3, 66531413), (13, 15353403), (39, 5117801), (169, 1181031), (507, 393677)]