1215297

素因数分解:

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

素因数の和:154

約数の個数: 32

約数和(自身を含む): 1996800

約数和(自身を除く): 781503

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 103, 171, 207, 309, 437, 513, 621, 927, 1311, 1957, 2369, 2781, 3933, 5871, 7107, 11799, 17613, 21321, 45011, 52839, 63963, 135033, 405099, 1215297]

約数ペア:

[(1, 1215297), (3, 405099), (9, 135033), (19, 63963), (23, 52839), (27, 45011), (57, 21321), (69, 17613), (103, 11799), (171, 7107), (207, 5871), (309, 3933), (437, 2781), (513, 2369), (621, 1957), (927, 1311)]