201990213

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 304819200

約数和(自身を除く): 102828987

約数列:

[1, 3, 9, 27, 107, 139, 321, 417, 503, 963, 1251, 1509, 2889, 3753, 4527, 13581, 14873, 44619, 53821, 69917, 133857, 161463, 209751, 401571, 484389, 629253, 1453167, 1887759, 7481119, 22443357, 67330071, 201990213]

約数ペア:

[(1, 201990213), (3, 67330071), (9, 22443357), (27, 7481119), (107, 1887759), (139, 1453167), (321, 629253), (417, 484389), (503, 401571), (963, 209751), (1251, 161463), (1509, 133857), (2889, 69917), (3753, 53821), (4527, 44619), (13581, 14873)]