9906981

素因数分解:

$3^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1667}}^1$

素因数の和:1960

約数の個数: 16

約数和(自身を含む): 15158784

約数和(自身を除く): 5251803

約数列:

[1, 3, 7, 21, 283, 849, 1667, 1981, 5001, 5943, 11669, 35007, 471761, 1415283, 3302327, 9906981]

約数ペア:

[(1, 9906981), (3, 3302327), (7, 1415283), (21, 471761), (283, 35007), (849, 11669), (1667, 5943), (1981, 5001)]