397149831

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{87037}}^1$

素因数の和:87072

約数の個数: 24

約数和(自身を含む): 637118160

約数和(自身を除く): 239968329

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 87037, 261111, 783333, 1131481, 2349999, 3394443, 10183329, 14709253, 30549987, 44127759, 132383277, 397149831]

約数ペア:

[(1, 397149831), (3, 132383277), (9, 44127759), (13, 30549987), (27, 14709253), (39, 10183329), (117, 3394443), (169, 2349999), (351, 1131481), (507, 783333), (1521, 261111), (4563, 87037)]