221679261

素因数分解:

$3^4\times {\mathrm{683}}^1\times {\mathrm{4007}}^1$

素因数の和:4702

約数の個数: 20

約数和(自身を含む): 331718112

約数和(自身を除く): 110038851

約数列:

[1, 3, 9, 27, 81, 683, 2049, 4007, 6147, 12021, 18441, 36063, 55323, 108189, 324567, 2736781, 8210343, 24631029, 73893087, 221679261]

約数ペア:

[(1, 221679261), (3, 73893087), (9, 24631029), (27, 8210343), (81, 2736781), (683, 324567), (2049, 108189), (4007, 55323), (6147, 36063), (12021, 18441)]