86893317

素因数分解:

$3^4\times 7^2\times {\mathrm{21893}}^1$

素因数の和:21919

約数の個数: 30

約数和(自身を含む): 151002918

約数和(自身を除く): 64109601

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 21893, 65679, 153251, 197037, 459753, 591111, 1072757, 1379259, 1773333, 3218271, 4137777, 9654813, 12413331, 28964439, 86893317]

約数ペア:

[(1, 86893317), (3, 28964439), (7, 12413331), (9, 9654813), (21, 4137777), (27, 3218271), (49, 1773333), (63, 1379259), (81, 1072757), (147, 591111), (189, 459753), (441, 197037), (567, 153251), (1323, 65679), (3969, 21893)]