7720965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 15495168

約数和(自身を除く): 7774203

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 127, 193, 315, 381, 579, 635, 889, 965, 1143, 1351, 1737, 1905, 2667, 2895, 4053, 4445, 5715, 6755, 8001, 8685, 12159, 13335, 20265, 24511, 40005, 60795, 73533, 122555, 171577, 220599, 367665, 514731, 857885, 1102995, 1544193, 2573655, 7720965]

約数ペア:

[(1, 7720965), (3, 2573655), (5, 1544193), (7, 1102995), (9, 857885), (15, 514731), (21, 367665), (35, 220599), (45, 171577), (63, 122555), (105, 73533), (127, 60795), (193, 40005), (315, 24511), (381, 20265), (579, 13335), (635, 12159), (889, 8685), (965, 8001), (1143, 6755), (1351, 5715), (1737, 4445), (1905, 4053), (2667, 2895)]