68131287

素因数分解:

$3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1123}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 117507456

約数和(自身を除く): 49376169

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 321, 567, 749, 963, 1123, 2247, 2889, 3369, 6741, 7861, 8667, 10107, 20223, 23583, 30321, 60669, 70749, 90963, 120161, 212247, 360483, 636741, 841127, 1081449, 2523381, 3244347, 7570143, 9733041, 22710429, 68131287]

約数ペア:

[(1, 68131287), (3, 22710429), (7, 9733041), (9, 7570143), (21, 3244347), (27, 2523381), (63, 1081449), (81, 841127), (107, 636741), (189, 360483), (321, 212247), (567, 120161), (749, 90963), (963, 70749), (1123, 60669), (2247, 30321), (2889, 23583), (3369, 20223), (6741, 10107), (7861, 8667)]