7779213

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 12768000

約数和(自身を除く): 4988787

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 599, 999, 1443, 1797, 4329, 5391, 7787, 12987, 16173, 22163, 23361, 66489, 70083, 199467, 210249, 288119, 598401, 864357, 2593071, 7779213]

約数ペア:

[(1, 7779213), (3, 2593071), (9, 864357), (13, 598401), (27, 288119), (37, 210249), (39, 199467), (111, 70083), (117, 66489), (333, 23361), (351, 22163), (481, 16173), (599, 12987), (999, 7787), (1443, 5391), (1797, 4329)]