200999655

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21169}}^1$

素因数の和:21391

約数の個数: 24

約数和(自身を含む): 350067120

約数和(自身を除く): 149067465

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 3165, 9495, 21169, 63507, 105845, 190521, 317535, 952605, 4466659, 13399977, 22333295, 40199931, 66999885, 200999655]

約数ペア:

[(1, 200999655), (3, 66999885), (5, 40199931), (9, 22333295), (15, 13399977), (45, 4466659), (211, 952605), (633, 317535), (1055, 190521), (1899, 105845), (3165, 63507), (9495, 21169)]