81607581

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{91591}}^1$

素因数の和:91614

約数の個数: 20

約数和(自身を含む): 132991584

約数和(自身を除く): 51384003

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 91591, 274773, 824319, 1007501, 2472957, 3022503, 7418871, 9067509, 27202527, 81607581]

約数ペア:

[(1, 81607581), (3, 27202527), (9, 9067509), (11, 7418871), (27, 3022503), (33, 2472957), (81, 1007501), (99, 824319), (297, 274773), (891, 91591)]