4007421

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 6589440

約数和(自身を除く): 2582019

約数列:

[1, 3, 9, 11, 27, 33, 99, 103, 131, 297, 309, 393, 927, 1133, 1179, 1441, 2781, 3399, 3537, 4323, 10197, 12969, 13493, 30591, 38907, 40479, 121437, 148423, 364311, 445269, 1335807, 4007421]

約数ペア:

[(1, 4007421), (3, 1335807), (9, 445269), (11, 364311), (27, 148423), (33, 121437), (99, 40479), (103, 38907), (131, 30591), (297, 13493), (309, 12969), (393, 10197), (927, 4323), (1133, 3537), (1179, 3399), (1441, 2781)]