201814389

素因数分解:

$3^3\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1481}}^1$

素因数の和:1607

約数の個数: 48

約数和(自身を含む): 351411840

約数和(自身を除く): 149597451

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 103, 147, 189, 309, 441, 721, 927, 1323, 1481, 2163, 2781, 4443, 5047, 6489, 10367, 13329, 15141, 19467, 31101, 39987, 45423, 72569, 93303, 136269, 152543, 217707, 279909, 457629, 653121, 1067801, 1372887, 1959363, 3203403, 4118661, 7474607, 9610209, 22423821, 28830627, 67271463, 201814389]

約数ペア:

[(1, 201814389), (3, 67271463), (7, 28830627), (9, 22423821), (21, 9610209), (27, 7474607), (49, 4118661), (63, 3203403), (103, 1959363), (147, 1372887), (189, 1067801), (309, 653121), (441, 457629), (721, 279909), (927, 217707), (1323, 152543), (1481, 136269), (2163, 93303), (2781, 72569), (4443, 45423), (5047, 39987), (6489, 31101), (10367, 19467), (13329, 15141)]