84209391

素因数分解:

$3^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{743}}^1$

素因数の和:1020

約数の個数: 36

約数和(自身を含む): 142236432

約数和(自身を除く): 58027041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 257, 441, 743, 771, 1799, 2229, 2313, 5201, 5397, 6687, 12593, 15603, 16191, 36407, 37779, 46809, 109221, 113337, 190951, 327663, 572853, 1336657, 1718559, 4009971, 9356599, 12029913, 28069797, 84209391]

約数ペア:

[(1, 84209391), (3, 28069797), (7, 12029913), (9, 9356599), (21, 4009971), (49, 1718559), (63, 1336657), (147, 572853), (257, 327663), (441, 190951), (743, 113337), (771, 109221), (1799, 46809), (2229, 37779), (2313, 36407), (5201, 16191), (5397, 15603), (6687, 12593)]