8820981

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{8377}}^1$

素因数の和:8402

約数の個数: 20

約数和(自身を含む): 14192332

約数和(自身を除く): 5371351

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 8377, 25131, 75393, 108901, 226179, 326703, 678537, 980109, 2940327, 8820981]

約数ペア:

[(1, 8820981), (3, 2940327), (9, 980109), (13, 678537), (27, 326703), (39, 226179), (81, 108901), (117, 75393), (351, 25131), (1053, 8377)]