217035531

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{14969}}^1$

素因数の和:15160

約数の個数: 20

約数和(自身を含む): 326046600

約数和(自身を除く): 109011069

約数列:

[1, 3, 9, 27, 81, 179, 537, 1611, 4833, 14499, 14969, 44907, 134721, 404163, 1212489, 2679451, 8038353, 24115059, 72345177, 217035531]

約数ペア:

[(1, 217035531), (3, 72345177), (9, 24115059), (27, 8038353), (81, 2679451), (179, 1212489), (537, 404163), (1611, 134721), (4833, 44907), (14499, 14969)]