2979249

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 4979520

約数和(自身を除く): 2000271

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1559, 1911, 4677, 10913, 20267, 32739, 60801, 76391, 141869, 229173, 425607, 993083, 2979249]

約数ペア:

[(1, 2979249), (3, 993083), (7, 425607), (13, 229173), (21, 141869), (39, 76391), (49, 60801), (91, 32739), (147, 20267), (273, 10913), (637, 4677), (1559, 1911)]