1280295

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 2317536

約数和(自身を除く): 1037241

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 1237, 3711, 6185, 11133, 18555, 28451, 55665, 85353, 142255, 256059, 426765, 1280295]

約数ペア:

[(1, 1280295), (3, 426765), (5, 256059), (9, 142255), (15, 85353), (23, 55665), (45, 28451), (69, 18555), (115, 11133), (207, 6185), (345, 3711), (1035, 1237)]