27951831

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 46009600

約数和(自身を除く): 18057769

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 103, 171, 207, 309, 437, 513, 529, 621, 927, 1311, 1587, 1957, 2369, 2781, 3933, 4761, 5871, 7107, 10051, 11799, 14283, 17613, 21321, 30153, 45011, 52839, 54487, 63963, 90459, 135033, 163461, 271377, 405099, 490383, 1035253, 1215297, 1471149, 3105759, 9317277, 27951831]

約数ペア:

[(1, 27951831), (3, 9317277), (9, 3105759), (19, 1471149), (23, 1215297), (27, 1035253), (57, 490383), (69, 405099), (103, 271377), (171, 163461), (207, 135033), (309, 90459), (437, 63963), (513, 54487), (529, 52839), (621, 45011), (927, 30153), (1311, 21321), (1587, 17613), (1957, 14283), (2369, 11799), (2781, 10051), (3933, 7107), (4761, 5871)]