627822009

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{131371}}^1$

素因数の和:131442

約数の個数: 20

約数和(自身を含む): 953760720

約数和(自身を除く): 325938711

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 131371, 394113, 1182339, 3547017, 7750889, 10641051, 23252667, 69758001, 209274003, 627822009]

約数ペア:

[(1, 627822009), (3, 209274003), (9, 69758001), (27, 23252667), (59, 10641051), (81, 7750889), (177, 3547017), (531, 1182339), (1593, 394113), (4779, 131371)]