266439357

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{416963}}^1$

素因数の和:417040

約数の個数: 12

約数和(自身を含む): 390278304

約数和(自身を除く): 123838947

約数列:

[1, 3, 9, 71, 213, 639, 416963, 1250889, 3752667, 29604373, 88813119, 266439357]

約数ペア:

[(1, 266439357), (3, 88813119), (9, 29604373), (71, 3752667), (213, 1250889), (639, 416963)]