20123394003

素因数分解:

$3^8\times {\mathrm{17}}^1\times {\mathrm{180419}}^1$

素因数の和:180460

約数の個数: 36

約数和(自身を含む): 31959237960

約数和(自身を除く): 11835843957

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 2187, 4131, 6561, 12393, 37179, 111537, 180419, 541257, 1623771, 3067123, 4871313, 9201369, 14613939, 27604107, 43841817, 82812321, 131525451, 248436963, 394576353, 745310889, 1183729059, 2235932667, 6707798001, 20123394003]

約数ペア:

[(1, 20123394003), (3, 6707798001), (9, 2235932667), (17, 1183729059), (27, 745310889), (51, 394576353), (81, 248436963), (153, 131525451), (243, 82812321), (459, 43841817), (729, 27604107), (1377, 14613939), (2187, 9201369), (4131, 4871313), (6561, 3067123), (12393, 1623771), (37179, 541257), (111537, 180419)]