16747521

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11903}}^1$

素因数の和:11980

約数の個数: 16

約数和(自身を含む): 25903104

約数和(自身を除く): 9155583

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 11903, 35709, 83321, 249963, 797501, 2392503, 5582507, 16747521]

約数ペア:

[(1, 16747521), (3, 5582507), (7, 2392503), (21, 797501), (67, 249963), (201, 83321), (469, 35709), (1407, 11903)]