320021721

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{3559}}^1$

素因数の和:3765

約数の個数: 24

約数和(自身を含む): 471685760

約数和(自身を除く): 151664039

約数列:

[1, 3, 9, 97, 103, 291, 309, 873, 927, 3559, 9991, 10677, 29973, 32031, 89919, 345223, 366577, 1035669, 1099731, 3107007, 3299193, 35557969, 106673907, 320021721]

約数ペア:

[(1, 320021721), (3, 106673907), (9, 35557969), (97, 3299193), (103, 3107007), (291, 1099731), (309, 1035669), (873, 366577), (927, 345223), (3559, 89919), (9991, 32031), (10677, 29973)]