12978063

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 22674432

約数和(自身を除く): 9696369

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 487, 567, 987, 1269, 1461, 2961, 3409, 3807, 4383, 8883, 10227, 13149, 22889, 26649, 30681, 39447, 68667, 92043, 160223, 206001, 276129, 480669, 618003, 1442007, 1854009, 4326021, 12978063]

約数ペア:

[(1, 12978063), (3, 4326021), (7, 1854009), (9, 1442007), (21, 618003), (27, 480669), (47, 276129), (63, 206001), (81, 160223), (141, 92043), (189, 68667), (329, 39447), (423, 30681), (487, 26649), (567, 22889), (987, 13149), (1269, 10227), (1461, 8883), (2961, 4383), (3409, 3807)]