16553721

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 7776519

約数列:

[1, 3, 23, 31, 69, 71, 93, 109, 213, 327, 713, 1633, 2139, 2201, 2507, 3379, 4899, 6603, 7521, 7739, 10137, 23217, 50623, 77717, 151869, 177997, 233151, 239909, 533991, 719727, 5517907, 16553721]

約数ペア:

[(1, 16553721), (3, 5517907), (23, 719727), (31, 533991), (69, 239909), (71, 233151), (93, 177997), (109, 151869), (213, 77717), (327, 50623), (713, 23217), (1633, 10137), (2139, 7739), (2201, 7521), (2507, 6603), (3379, 4899)]