2109268209

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1\times {\mathrm{557}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 2915813376

約数和(自身を除く): 806545167

約数列:

[1, 3, 47, 107, 141, 251, 321, 557, 753, 1671, 5029, 11797, 15087, 26179, 26857, 35391, 59599, 78537, 80571, 139807, 178797, 419421, 1262279, 2801153, 3786837, 6570929, 8403459, 14959349, 19712787, 44878047, 703089403, 2109268209]

約数ペア:

[(1, 2109268209), (3, 703089403), (47, 44878047), (107, 19712787), (141, 14959349), (251, 8403459), (321, 6570929), (557, 3786837), (753, 2801153), (1671, 1262279), (5029, 419421), (11797, 178797), (15087, 139807), (26179, 80571), (26857, 78537), (35391, 59599)]