189990207

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{2957}}^1$

素因数の和:3044

約数の個数: 36

約数和(自身を含む): 306862920

約数和(自身を除く): 116872713

約数列:

[1, 3, 9, 11, 33, 59, 99, 121, 177, 363, 531, 649, 1089, 1947, 2957, 5841, 7139, 8871, 21417, 26613, 32527, 64251, 97581, 174463, 292743, 357797, 523389, 1073391, 1570167, 1919093, 3220173, 5757279, 17271837, 21110023, 63330069, 189990207]

約数ペア:

[(1, 189990207), (3, 63330069), (9, 21110023), (11, 17271837), (33, 5757279), (59, 3220173), (99, 1919093), (121, 1570167), (177, 1073391), (363, 523389), (531, 357797), (649, 292743), (1089, 174463), (1947, 97581), (2957, 64251), (5841, 32527), (7139, 26613), (8871, 21417)]