90778401

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6961}}^1$

素因数の和:7003

約数の個数: 40

約数和(自身を含む): 161741184

約数和(自身を除く): 70962783

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 4347, 6961, 13041, 20883, 48727, 62649, 146181, 160103, 187947, 438543, 480309, 563841, 1120721, 1315629, 1440927, 3362163, 3946887, 4322781, 10086489, 12968343, 30259467, 90778401]

約数ペア:

[(1, 90778401), (3, 30259467), (7, 12968343), (9, 10086489), (21, 4322781), (23, 3946887), (27, 3362163), (63, 1440927), (69, 1315629), (81, 1120721), (161, 563841), (189, 480309), (207, 438543), (483, 187947), (567, 160103), (621, 146181), (1449, 62649), (1863, 48727), (4347, 20883), (6961, 13041)]