78106581

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3911}}^1$

素因数の和:4241

約数の個数: 24

約数和(自身を含む): 129377664

約数和(自身を除く): 51271083

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 2219, 2853, 3911, 6657, 11733, 19971, 27377, 35199, 82131, 246393, 1239787, 3719361, 8678509, 11158083, 26035527, 78106581]

約数ペア:

[(1, 78106581), (3, 26035527), (7, 11158083), (9, 8678509), (21, 3719361), (63, 1239787), (317, 246393), (951, 82131), (2219, 35199), (2853, 27377), (3911, 19971), (6657, 11733)]