91205109

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{15859}}^1$

素因数の和:15942

約数の個数: 20

約数和(自身を含む): 138172320

約数和(自身を除く): 46967211

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 15859, 47577, 142731, 428193, 1125989, 1284579, 3377967, 10133901, 30401703, 91205109]

約数ペア:

[(1, 91205109), (3, 30401703), (9, 10133901), (27, 3377967), (71, 1284579), (81, 1125989), (213, 428193), (639, 142731), (1917, 47577), (5751, 15859)]