201052845

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{638263}}^1$

素因数の和:638281

約数の個数: 24

約数和(自身を含む): 398276736

約数和(自身を除く): 197223891

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 638263, 1914789, 3191315, 4467841, 5744367, 9573945, 13403523, 22339205, 28721835, 40210569, 67017615, 201052845]

約数ペア:

[(1, 201052845), (3, 67017615), (5, 40210569), (7, 28721835), (9, 22339205), (15, 13403523), (21, 9573945), (35, 5744367), (45, 4467841), (63, 3191315), (105, 1914789), (315, 638263)]