12353229

素因数分解:

$3^4\times 7^1\times {\mathrm{21787}}^1$

素因数の和:21806

約数の個数: 20

約数和(自身を含む): 21090784

約数和(自身を除く): 8737555

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21787, 65361, 152509, 196083, 457527, 588249, 1372581, 1764747, 4117743, 12353229]

約数ペア:

[(1, 12353229), (3, 4117743), (7, 1764747), (9, 1372581), (21, 588249), (27, 457527), (63, 196083), (81, 152509), (189, 65361), (567, 21787)]