16758171

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{10889}}^1$

素因数の和:10920

約数の個数: 20

約数和(自身を含む): 26353800

約数和(自身を除く): 9595629

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 10889, 32667, 98001, 206891, 294003, 620673, 882009, 1862019, 5586057, 16758171]

約数ペア:

[(1, 16758171), (3, 5586057), (9, 1862019), (19, 882009), (27, 620673), (57, 294003), (81, 206891), (171, 98001), (513, 32667), (1539, 10889)]