205980981

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{6287}}^1$

素因数の和:6520

約数の個数: 16

約数和(自身を含む): 280495104

約数和(自身を除く): 74514123

約数列:

[1, 3, 67, 163, 201, 489, 6287, 10921, 18861, 32763, 421229, 1024781, 1263687, 3074343, 68660327, 205980981]

約数ペア:

[(1, 205980981), (3, 68660327), (67, 3074343), (163, 1263687), (201, 1024781), (489, 421229), (6287, 32763), (10921, 18861)]