1997643

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 16

約数和(自身を含む): 2772000

約数和(自身を除く): 774357

約数列:

[1, 3, 41, 109, 123, 149, 327, 447, 4469, 6109, 13407, 16241, 18327, 48723, 665881, 1997643]

約数ペア:

[(1, 1997643), (3, 665881), (41, 48723), (109, 18327), (123, 16241), (149, 13407), (327, 6109), (447, 4469)]