207020877

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3229}}^1$

素因数の和:3353

約数の個数: 32

約数和(自身を含む): 327444480

約数和(自身を除く): 120423603

約数列:

[1, 3, 7, 21, 43, 71, 129, 213, 301, 497, 903, 1491, 3053, 3229, 9159, 9687, 21371, 22603, 64113, 67809, 138847, 229259, 416541, 687777, 971929, 1604813, 2915787, 4814439, 9858137, 29574411, 69006959, 207020877]

約数ペア:

[(1, 207020877), (3, 69006959), (7, 29574411), (21, 9858137), (43, 4814439), (71, 2915787), (129, 1604813), (213, 971929), (301, 687777), (497, 416541), (903, 229259), (1491, 138847), (3053, 67809), (3229, 64113), (9159, 22603), (9687, 21371)]