28300293

素因数分解:

$3^3\times 7^2\times {\mathrm{21391}}^1$

素因数の和:21414

約数の個数: 24

約数和(自身を含む): 48773760

約数和(自身を除く): 20473467

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21391, 64173, 149737, 192519, 449211, 577557, 1048159, 1347633, 3144477, 4042899, 9433431, 28300293]

約数ペア:

[(1, 28300293), (3, 9433431), (7, 4042899), (9, 3144477), (21, 1347633), (27, 1048159), (49, 577557), (63, 449211), (147, 192519), (189, 149737), (441, 64173), (1323, 21391)]