28501137

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12227}}^1$

素因数の和:12277

約数の個数: 24

約数和(自身を含む): 48325056

約数和(自身を除く): 19823919

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 12227, 36681, 85589, 110043, 256767, 452399, 770301, 1357197, 3166793, 4071591, 9500379, 28501137]

約数ペア:

[(1, 28501137), (3, 9500379), (7, 4071591), (9, 3166793), (21, 1357197), (37, 770301), (63, 452399), (111, 256767), (259, 110043), (333, 85589), (777, 36681), (2331, 12227)]