2801493

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 4505600

約数和(自身を除く): 1704107

約数列:

[1, 3, 9, 19, 27, 43, 57, 127, 129, 171, 381, 387, 513, 817, 1143, 1161, 2413, 2451, 3429, 5461, 7239, 7353, 16383, 21717, 22059, 49149, 65151, 103759, 147447, 311277, 933831, 2801493]

約数ペア:

[(1, 2801493), (3, 933831), (9, 311277), (19, 147447), (27, 103759), (43, 65151), (57, 49149), (127, 22059), (129, 21717), (171, 16383), (381, 7353), (387, 7239), (513, 5461), (817, 3429), (1143, 2451), (1161, 2413)]