209669817

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{4057}}^1$

素因数の和:4197

約数の個数: 32

約数和(自身を含む): 336586752

約数和(自身を除く): 126916935

約数列:

[1, 3, 7, 21, 23, 69, 107, 161, 321, 483, 749, 2247, 2461, 4057, 7383, 12171, 17227, 28399, 51681, 85197, 93311, 279933, 434099, 653177, 1302297, 1959531, 3038693, 9116079, 9984277, 29952831, 69889939, 209669817]

約数ペア:

[(1, 209669817), (3, 69889939), (7, 29952831), (21, 9984277), (23, 9116079), (69, 3038693), (107, 1959531), (161, 1302297), (321, 653177), (483, 434099), (749, 279933), (2247, 93311), (2461, 85197), (4057, 51681), (7383, 28399), (12171, 17227)]