64067787

素因数分解:

$3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1319}}^1$

素因数の和:1592

約数の個数: 32

約数和(自身を含む): 108979200

約数和(自身を除く): 44911413

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 257, 771, 1319, 1799, 2313, 3957, 5397, 6939, 9233, 11871, 16191, 27699, 35613, 48573, 83097, 249291, 338983, 1016949, 2372881, 3050847, 7118643, 9152541, 21355929, 64067787]

約数ペア:

[(1, 64067787), (3, 21355929), (7, 9152541), (9, 7118643), (21, 3050847), (27, 2372881), (63, 1016949), (189, 338983), (257, 249291), (771, 83097), (1319, 48573), (1799, 35613), (2313, 27699), (3957, 16191), (5397, 11871), (6939, 9233)]