7872543

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 13977600

約数和(自身を除く): 6105057

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 139, 203, 217, 261, 279, 417, 609, 651, 899, 973, 1251, 1827, 1953, 2697, 2919, 4031, 4309, 6293, 8091, 8757, 12093, 12927, 18879, 28217, 30163, 36279, 38781, 56637, 84651, 90489, 124961, 253953, 271467, 374883, 874727, 1124649, 2624181, 7872543]

約数ペア:

[(1, 7872543), (3, 2624181), (7, 1124649), (9, 874727), (21, 374883), (29, 271467), (31, 253953), (63, 124961), (87, 90489), (93, 84651), (139, 56637), (203, 38781), (217, 36279), (261, 30163), (279, 28217), (417, 18879), (609, 12927), (651, 12093), (899, 8757), (973, 8091), (1251, 6293), (1827, 4309), (1953, 4031), (2697, 2919)]