206838945

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{42169}}^1$

素因数の和:42289

約数の個数: 24

約数和(自身を含む): 361818600

約数和(自身を除く): 154979655

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 42169, 126507, 210845, 379521, 632535, 1897605, 4596421, 13789263, 22982105, 41367789, 68946315, 206838945]

約数ペア:

[(1, 206838945), (3, 68946315), (5, 41367789), (9, 22982105), (15, 13789263), (45, 4596421), (109, 1897605), (327, 632535), (545, 379521), (981, 210845), (1635, 126507), (4905, 42169)]