3949659

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 6619392

約数和(自身を除く): 2669733

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 883, 1491, 2649, 4473, 6181, 7947, 18543, 55629, 62693, 188079, 438851, 564237, 1316553, 3949659]

約数ペア:

[(1, 3949659), (3, 1316553), (7, 564237), (9, 438851), (21, 188079), (63, 62693), (71, 55629), (213, 18543), (497, 7947), (639, 6181), (883, 4473), (1491, 2649)]