2811555

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 4990128

約数和(自身を除く): 2178573

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1453, 1935, 4359, 7265, 13077, 21795, 62479, 65385, 187437, 312395, 562311, 937185, 2811555]

約数ペア:

[(1, 2811555), (3, 937185), (5, 562311), (9, 312395), (15, 187437), (43, 65385), (45, 62479), (129, 21795), (215, 13077), (387, 7265), (645, 4359), (1453, 1935)]