286920963

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{20063}}^1$

素因数の和:20303

約数の個数: 24

約数和(自身を含む): 475757568

約数和(自身を除く): 188836605

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2043, 4767, 14301, 20063, 60189, 140441, 180567, 421323, 1263969, 4554301, 13662903, 31880107, 40988709, 95640321, 286920963]

約数ペア:

[(1, 286920963), (3, 95640321), (7, 40988709), (9, 31880107), (21, 13662903), (63, 4554301), (227, 1263969), (681, 421323), (1589, 180567), (2043, 140441), (4767, 60189), (14301, 20063)]