217426353

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{3607}}^1$

素因数の和:3964

約数の個数: 16

約数和(自身を含む): 295105536

約数和(自身を除く): 77679183

約数列:

[1, 3, 71, 213, 283, 849, 3607, 10821, 20093, 60279, 256097, 768291, 1020781, 3062343, 72475451, 217426353]

約数ペア:

[(1, 217426353), (3, 72475451), (71, 3062343), (213, 1020781), (283, 768291), (849, 256097), (3607, 60279), (10821, 20093)]