845687709

素因数分解:

$3^4\times {\mathrm{547}}^1\times {\mathrm{19087}}^1$

素因数の和:19646

約数の個数: 20

約数和(自身を含む): 1265687104

約数和(自身を除く): 419999395

約数列:

[1, 3, 9, 27, 81, 547, 1641, 4923, 14769, 19087, 44307, 57261, 171783, 515349, 1546047, 10440589, 31321767, 93965301, 281895903, 845687709]

約数ペア:

[(1, 845687709), (3, 281895903), (9, 93965301), (27, 31321767), (81, 10440589), (547, 1546047), (1641, 515349), (4923, 171783), (14769, 57261), (19087, 44307)]