78170211

素因数分解:

$3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2143}}^1$

素因数の和:2352

約数の個数: 32

約数和(自身を含む): 133099520

約数和(自身を除く): 54929309

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 193, 579, 1351, 1737, 2143, 4053, 5211, 6429, 12159, 15001, 19287, 36477, 45003, 57861, 135009, 405027, 413599, 1240797, 2895193, 3722391, 8685579, 11167173, 26056737, 78170211]

約数ペア:

[(1, 78170211), (3, 26056737), (7, 11167173), (9, 8685579), (21, 3722391), (27, 2895193), (63, 1240797), (189, 413599), (193, 405027), (579, 135009), (1351, 57861), (1737, 45003), (2143, 36477), (4053, 19287), (5211, 15001), (6429, 12159)]