81399573

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 126184608

約数和(自身を除く): 44785035

約数列:

[1, 3, 9, 27, 53, 67, 81, 159, 201, 283, 477, 603, 849, 1431, 1809, 2547, 3551, 4293, 5427, 7641, 10653, 14999, 18961, 22923, 31959, 44997, 56883, 95877, 134991, 170649, 287631, 404973, 511947, 1004933, 1214919, 1535841, 3014799, 9044397, 27133191, 81399573]

約数ペア:

[(1, 81399573), (3, 27133191), (9, 9044397), (27, 3014799), (53, 1535841), (67, 1214919), (81, 1004933), (159, 511947), (201, 404973), (283, 287631), (477, 170649), (603, 134991), (849, 95877), (1431, 56883), (1809, 44997), (2547, 31959), (3551, 22923), (4293, 18961), (5427, 14999), (7641, 10653)]