188049609

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{172681}}^1$

素因数の和:172709

約数の個数: 18

約数和(自身を含む): 298567178

約数和(自身を除く): 110517569

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 172681, 518043, 1554129, 1899491, 5698473, 17095419, 20894401, 62683203, 188049609]

約数ペア:

[(1, 188049609), (3, 62683203), (9, 20894401), (11, 17095419), (33, 5698473), (99, 1899491), (121, 1554129), (363, 518043), (1089, 172681)]