28788291

素因数分解:

$3^4\times 7^1\times {\mathrm{50773}}^1$

素因数の和:50792

約数の個数: 20

約数和(自身を含む): 49149232

約数和(自身を除く): 20360941

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 50773, 152319, 355411, 456957, 1066233, 1370871, 3198699, 4112613, 9596097, 28788291]

約数ペア:

[(1, 28788291), (3, 9596097), (7, 4112613), (9, 3198699), (21, 1370871), (27, 1066233), (63, 456957), (81, 355411), (189, 152319), (567, 50773)]