8166561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 12579840

約数和(自身を除く): 4413279

約数列:

[1, 3, 13, 19, 39, 57, 103, 107, 247, 309, 321, 741, 1339, 1391, 1957, 2033, 4017, 4173, 5871, 6099, 11021, 25441, 26429, 33063, 76323, 79287, 143273, 209399, 429819, 628197, 2722187, 8166561]

約数ペア:

[(1, 8166561), (3, 2722187), (13, 628197), (19, 429819), (39, 209399), (57, 143273), (103, 79287), (107, 76323), (247, 33063), (309, 26429), (321, 25441), (741, 11021), (1339, 6099), (1391, 5871), (1957, 4173), (2033, 4017)]