27654081

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 47880000

約数和(自身を除く): 20225919

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 377, 499, 609, 637, 1131, 1421, 1497, 1911, 2639, 3493, 4263, 6487, 7917, 10479, 14471, 18473, 19461, 24451, 43413, 45409, 55419, 73353, 101297, 136227, 188123, 303891, 317863, 564369, 709079, 953589, 1316861, 2127237, 3950583, 9218027, 27654081]

約数ペア:

[(1, 27654081), (3, 9218027), (7, 3950583), (13, 2127237), (21, 1316861), (29, 953589), (39, 709079), (49, 564369), (87, 317863), (91, 303891), (147, 188123), (203, 136227), (273, 101297), (377, 73353), (499, 55419), (609, 45409), (637, 43413), (1131, 24451), (1421, 19461), (1497, 18473), (1911, 14471), (2639, 10479), (3493, 7917), (4263, 6487)]