81131157

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{1181}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 124464600

約数和(自身を除く): 43333443

約数列:

[1, 3, 9, 17, 51, 153, 449, 1181, 1347, 3543, 4041, 7633, 10629, 20077, 22899, 60231, 68697, 180693, 530269, 1590807, 4772421, 9014573, 27043719, 81131157]

約数ペア:

[(1, 81131157), (3, 27043719), (9, 9014573), (17, 4772421), (51, 1590807), (153, 530269), (449, 180693), (1181, 68697), (1347, 60231), (3543, 22899), (4041, 20077), (7633, 10629)]