28098819

素因数分解:

$3^5\times 7^1\times {\mathrm{16519}}^1$

素因数の和:16541

約数の個数: 24

約数和(自身を含む): 48106240

約数和(自身を除く): 20007421

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 16519, 49557, 115633, 148671, 346899, 446013, 1040697, 1338039, 3122091, 4014117, 9366273, 28098819]

約数ペア:

[(1, 28098819), (3, 9366273), (7, 4014117), (9, 3122091), (21, 1338039), (27, 1040697), (63, 446013), (81, 346899), (189, 148671), (243, 115633), (567, 49557), (1701, 16519)]