19898973

素因数分解:

$3^3\times {\mathrm{809}}^1\times {\mathrm{911}}^1$

素因数の和:1729

約数の個数: 16

約数和(自身を含む): 29548800

約数和(自身を除く): 9649827

約数列:

[1, 3, 9, 27, 809, 911, 2427, 2733, 7281, 8199, 21843, 24597, 736999, 2210997, 6632991, 19898973]

約数ペア:

[(1, 19898973), (3, 6632991), (9, 2210997), (27, 736999), (809, 24597), (911, 21843), (2427, 8199), (2733, 7281)]