218792007

素因数分解:

$3^2\times 7^2\times {\mathrm{496127}}^1$

素因数の和:496147

約数の個数: 18

約数和(自身を含む): 367630848

約数和(自身を除く): 148838841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 496127, 1488381, 3472889, 4465143, 10418667, 24310223, 31256001, 72930669, 218792007]

約数ペア:

[(1, 218792007), (3, 72930669), (7, 31256001), (9, 24310223), (21, 10418667), (49, 4465143), (63, 3472889), (147, 1488381), (441, 496127)]