204469209

素因数分解:

$3^2\times 7^2\times {\mathrm{463649}}^1$

素因数の和:463669

約数の個数: 18

約数和(自身を含む): 343564650

約数和(自身を除く): 139095441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 463649, 1390947, 3245543, 4172841, 9736629, 22718801, 29209887, 68156403, 204469209]

約数ペア:

[(1, 204469209), (3, 68156403), (7, 29209887), (9, 22718801), (21, 9736629), (49, 4172841), (63, 3245543), (147, 1390947), (441, 463649)]