855207927

素因数分解:

$3^2\times 7^2\times {\mathrm{1939247}}^1$

素因数の和:1939267

約数の個数: 18

約数和(自身を含む): 1436982768

約数和(自身を除く): 581774841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1939247, 5817741, 13574729, 17453223, 40724187, 95023103, 122172561, 285069309, 855207927]

約数ペア:

[(1, 855207927), (3, 285069309), (7, 122172561), (9, 95023103), (21, 40724187), (49, 17453223), (63, 13574729), (147, 5817741), (441, 1939247)]