209905281

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{10733}}^1$

素因数の和:10833

約数の個数: 24

約数和(自身を含む): 316481256

約数和(自身を除く): 106575975

約数列:

[1, 3, 9, 41, 53, 123, 159, 369, 477, 2173, 6519, 10733, 19557, 32199, 96597, 440053, 568849, 1320159, 1706547, 3960477, 5119641, 23322809, 69968427, 209905281]

約数ペア:

[(1, 209905281), (3, 69968427), (9, 23322809), (41, 5119641), (53, 3960477), (123, 1706547), (159, 1320159), (369, 568849), (477, 440053), (2173, 96597), (6519, 32199), (10733, 19557)]