212801823

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1129}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 344559600

約数和(自身を除く): 131757777

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 179, 351, 537, 1053, 1129, 1611, 2327, 3387, 4833, 6981, 10161, 14499, 14677, 20943, 30483, 44031, 62829, 91449, 132093, 188487, 202091, 396279, 606273, 1188837, 1818819, 2627183, 5456457, 7881549, 16369371, 23644647, 70933941, 212801823]

約数ペア:

[(1, 212801823), (3, 70933941), (9, 23644647), (13, 16369371), (27, 7881549), (39, 5456457), (81, 2627183), (117, 1818819), (179, 1188837), (351, 606273), (537, 396279), (1053, 202091), (1129, 188487), (1611, 132093), (2327, 91449), (3387, 62829), (4833, 44031), (6981, 30483), (10161, 20943), (14499, 14677)]