6720813

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 11557920

約数和(自身を除く): 4837107

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 397, 513, 627, 891, 1191, 1539, 1881, 3573, 4367, 5643, 7543, 10719, 13101, 16929, 22629, 32157, 39303, 67887, 82973, 117909, 203661, 248919, 353727, 610983, 746757, 2240271, 6720813]

約数ペア:

[(1, 6720813), (3, 2240271), (9, 746757), (11, 610983), (19, 353727), (27, 248919), (33, 203661), (57, 117909), (81, 82973), (99, 67887), (171, 39303), (209, 32157), (297, 22629), (397, 16929), (513, 13101), (627, 10719), (891, 7543), (1191, 5643), (1539, 4367), (1881, 3573)]