243375717

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{6761}}^1$

素因数の和:6861

約数の個数: 24

約数和(自身を含む): 356384448

約数和(自身を除く): 113008731

約数列:

[1, 3, 13, 39, 71, 169, 213, 507, 923, 2769, 6761, 11999, 20283, 35997, 87893, 263679, 480031, 1142609, 1440093, 3427827, 6240403, 18721209, 81125239, 243375717]

約数ペア:

[(1, 243375717), (3, 81125239), (13, 18721209), (39, 6240403), (71, 3427827), (169, 1440093), (213, 1142609), (507, 480031), (923, 263679), (2769, 87893), (6761, 35997), (11999, 20283)]