217267779

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{797}}^1\times {\mathrm{1021}}^1$

素因数の和:1910

約数の個数: 16

約数和(自身を含む): 293600160

約数和(自身を除く): 76332381

約数列:

[1, 3, 89, 267, 797, 1021, 2391, 3063, 70933, 90869, 212799, 272607, 813737, 2441211, 72422593, 217267779]

約数ペア:

[(1, 217267779), (3, 72422593), (89, 2441211), (267, 813737), (797, 272607), (1021, 212799), (2391, 90869), (3063, 70933)]