3989007

素因数分解:

$3^4\times {\mathrm{11}}^3\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 40

約数和(自身を含む): 6731472

約数和(自身を除く): 2742465

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 121, 297, 333, 363, 407, 891, 999, 1089, 1221, 1331, 2997, 3267, 3663, 3993, 4477, 9801, 10989, 11979, 13431, 32967, 35937, 40293, 49247, 107811, 120879, 147741, 362637, 443223, 1329669, 3989007]

約数ペア:

[(1, 3989007), (3, 1329669), (9, 443223), (11, 362637), (27, 147741), (33, 120879), (37, 107811), (81, 49247), (99, 40293), (111, 35937), (121, 32967), (297, 13431), (333, 11979), (363, 10989), (407, 9801), (891, 4477), (999, 3993), (1089, 3663), (1221, 3267), (1331, 2997)]