216855837

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 353386176

約数和(自身を除く): 136530339

約数列:

[1, 3, 9, 11, 33, 43, 99, 121, 129, 363, 387, 421, 473, 1089, 1263, 1331, 1419, 3789, 3993, 4257, 4631, 5203, 11979, 13893, 15609, 18103, 41679, 46827, 50941, 54309, 57233, 152823, 162927, 171699, 199133, 458469, 515097, 560351, 597399, 1681053, 1792197, 2190463, 5043159, 6571389, 19714167, 24095093, 72285279, 216855837]

約数ペア:

[(1, 216855837), (3, 72285279), (9, 24095093), (11, 19714167), (33, 6571389), (43, 5043159), (99, 2190463), (121, 1792197), (129, 1681053), (363, 597399), (387, 560351), (421, 515097), (473, 458469), (1089, 199133), (1263, 171699), (1331, 162927), (1419, 152823), (3789, 57233), (3993, 54309), (4257, 50941), (4631, 46827), (5203, 41679), (11979, 18103), (13893, 15609)]