28466991

素因数分解:

$3^3\times 7^2\times {\mathrm{21517}}^1$

素因数の和:21540

約数の個数: 24

約数和(自身を含む): 49061040

約数和(自身を除く): 20594049

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21517, 64551, 150619, 193653, 451857, 580959, 1054333, 1355571, 3162999, 4066713, 9488997, 28466991]

約数ペア:

[(1, 28466991), (3, 9488997), (7, 4066713), (9, 3162999), (21, 1355571), (27, 1054333), (49, 580959), (63, 451857), (147, 193653), (189, 150619), (441, 64551), (1323, 21517)]