820199205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113209}}^1$

素因数の和:113250

約数の個数: 48

約数和(自身を含む): 1695432960

約数和(自身を除く): 875233755

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 7245, 113209, 339627, 566045, 792463, 1018881, 1698135, 2377389, 2603807, 3962315, 5094405, 7132167, 7811421, 11886945, 13019035, 18226649, 23434263, 35660835, 39057105, 54679947, 91133245, 117171315, 164039841, 273399735, 820199205]

約数ペア:

[(1, 820199205), (3, 273399735), (5, 164039841), (7, 117171315), (9, 91133245), (15, 54679947), (21, 39057105), (23, 35660835), (35, 23434263), (45, 18226649), (63, 13019035), (69, 11886945), (105, 7811421), (115, 7132167), (161, 5094405), (207, 3962315), (315, 2603807), (345, 2377389), (483, 1698135), (805, 1018881), (1035, 792463), (1449, 566045), (2415, 339627), (7245, 113209)]