188790831

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 312609024

約数和(自身を除く): 123818193

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 243, 391, 459, 621, 1173, 1377, 1863, 1987, 3519, 4131, 5589, 5961, 10557, 17883, 31671, 33779, 45701, 53649, 95013, 101337, 137103, 160947, 304011, 411309, 482841, 776917, 912033, 1233927, 2330751, 2736099, 3701781, 6992253, 8208297, 11105343, 20976759, 62930277, 188790831]

約数ペア:

[(1, 188790831), (3, 62930277), (9, 20976759), (17, 11105343), (23, 8208297), (27, 6992253), (51, 3701781), (69, 2736099), (81, 2330751), (153, 1233927), (207, 912033), (243, 776917), (391, 482841), (459, 411309), (621, 304011), (1173, 160947), (1377, 137103), (1863, 101337), (1987, 95013), (3519, 53649), (4131, 45701), (5589, 33779), (5961, 31671), (10557, 17883)]