271310481

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 462658560

約数和(自身を除く): 191348079

約数列:

[1, 3, 9, 13, 19, 31, 39, 57, 93, 117, 127, 171, 247, 279, 381, 403, 589, 741, 961, 1143, 1209, 1651, 1767, 2223, 2413, 2883, 3627, 3937, 4953, 5301, 7239, 7657, 8649, 11811, 12493, 14859, 18259, 21717, 22971, 31369, 35433, 37479, 51181, 54777, 68913, 74803, 94107, 112437, 122047, 153543, 164331, 224409, 237367, 282321, 366141, 460629, 673227, 712101, 972439, 1098423, 1586611, 2136303, 2318893, 2917317, 4759833, 6956679, 8751951, 14279499, 20870037, 30145609, 90436827, 271310481]

約数ペア:

[(1, 271310481), (3, 90436827), (9, 30145609), (13, 20870037), (19, 14279499), (31, 8751951), (39, 6956679), (57, 4759833), (93, 2917317), (117, 2318893), (127, 2136303), (171, 1586611), (247, 1098423), (279, 972439), (381, 712101), (403, 673227), (589, 460629), (741, 366141), (961, 282321), (1143, 237367), (1209, 224409), (1651, 164331), (1767, 153543), (2223, 122047), (2413, 112437), (2883, 94107), (3627, 74803), (3937, 68913), (4953, 54777), (5301, 51181), (7239, 37479), (7657, 35433), (8649, 31369), (11811, 22971), (12493, 21717), (14859, 18259)]