39123

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1$

素因数の和:45

約数の個数: 24

約数和(自身を含む): 69888

約数和(自身を除く): 30765

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 621, 1449, 1701, 1863, 4347, 5589, 13041, 39123]

約数ペア:

[(1, 39123), (3, 13041), (7, 5589), (9, 4347), (21, 1863), (23, 1701), (27, 1449), (63, 621), (69, 567), (81, 483), (161, 243), (189, 207)]