217561903

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{6607}}^1$

素因数の和:6786

約数の個数: 16

約数和(自身を含む): 249782400

約数和(自身を除く): 32220497

約数列:

[1, 13, 17, 149, 221, 1937, 2533, 6607, 32929, 85891, 112319, 984443, 1460147, 12797759, 16735531, 217561903]

約数ペア:

[(1, 217561903), (13, 16735531), (17, 12797759), (149, 1460147), (221, 984443), (1937, 112319), (2533, 85891), (6607, 32929)]