19851717

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 27000000

約数和(自身を除く): 7148283

約数列:

[1, 3, 89, 149, 267, 447, 499, 1497, 13261, 39783, 44411, 74351, 133233, 223053, 6617239, 19851717]

約数ペア:

[(1, 19851717), (3, 6617239), (89, 223053), (149, 133233), (267, 74351), (447, 44411), (499, 39783), (1497, 13261)]