171942939

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21157}}^1$

素因数の和:21216

約数の個数: 32

約数和(自身を含む): 297904640

約数和(自身を除く): 125961701

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 21157, 63471, 148099, 190413, 444297, 571239, 909751, 1332891, 2729253, 3998673, 6368257, 8187759, 19104771, 24563277, 57314313, 171942939]

約数ペア:

[(1, 171942939), (3, 57314313), (7, 24563277), (9, 19104771), (21, 8187759), (27, 6368257), (43, 3998673), (63, 2729253), (129, 1332891), (189, 909751), (301, 571239), (387, 444297), (903, 190413), (1161, 148099), (2709, 63471), (8127, 21157)]