55220979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{20161}}^1$

素因数の和:20258

約数の個数: 16

約数和(自身を含む): 81293184

約数和(自身を除く): 26072205

約数列:

[1, 3, 11, 33, 83, 249, 913, 2739, 20161, 60483, 221771, 665313, 1673363, 5020089, 18406993, 55220979]

約数ペア:

[(1, 55220979), (3, 18406993), (11, 5020089), (33, 1673363), (83, 665313), (249, 221771), (913, 60483), (2739, 20161)]