25870509

素因数分解:

$3^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 45147648

約数和(自身を除く): 19277139

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 227, 243, 469, 567, 603, 681, 1407, 1589, 1701, 1809, 2043, 4221, 4767, 5427, 6129, 12663, 14301, 15209, 16281, 18387, 37989, 42903, 45627, 55161, 106463, 113967, 128709, 136881, 319389, 386127, 410643, 958167, 1231929, 2874501, 3695787, 8623503, 25870509]

約数ペア:

[(1, 25870509), (3, 8623503), (7, 3695787), (9, 2874501), (21, 1231929), (27, 958167), (63, 410643), (67, 386127), (81, 319389), (189, 136881), (201, 128709), (227, 113967), (243, 106463), (469, 55161), (567, 45627), (603, 42903), (681, 37989), (1407, 18387), (1589, 16281), (1701, 15209), (1809, 14301), (2043, 12663), (4221, 6129), (4767, 5427)]