28380573

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2267}}^1$

素因数の和:2393

約数の個数: 24

約数和(自身を含む): 44579808

約数和(自身を除く): 16199235

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 2267, 4173, 6801, 12519, 20403, 29471, 88413, 242569, 265239, 727707, 2183121, 3153397, 9460191, 28380573]

約数ペア:

[(1, 28380573), (3, 9460191), (9, 3153397), (13, 2183121), (39, 727707), (107, 265239), (117, 242569), (321, 88413), (963, 29471), (1391, 20403), (2267, 12519), (4173, 6801)]