257599251

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1777}}^1$

素因数の和:1865

約数の個数: 64

約数和(自身を含む): 477926400

約数和(自身を除く): 220327149

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 59, 63, 91, 117, 177, 189, 273, 351, 413, 531, 767, 819, 1239, 1593, 1777, 2301, 2457, 3717, 5331, 5369, 6903, 11151, 12439, 15993, 16107, 20709, 23101, 37317, 47979, 48321, 69303, 104843, 111951, 144963, 161707, 207909, 314529, 335853, 485121, 623727, 733901, 943587, 1362959, 1455363, 2201703, 2830761, 4088877, 4366089, 6605109, 9540713, 12266631, 19815327, 28622139, 36799893, 85866417, 257599251]

約数ペア:

[(1, 257599251), (3, 85866417), (7, 36799893), (9, 28622139), (13, 19815327), (21, 12266631), (27, 9540713), (39, 6605109), (59, 4366089), (63, 4088877), (91, 2830761), (117, 2201703), (177, 1455363), (189, 1362959), (273, 943587), (351, 733901), (413, 623727), (531, 485121), (767, 335853), (819, 314529), (1239, 207909), (1593, 161707), (1777, 144963), (2301, 111951), (2457, 104843), (3717, 69303), (5331, 48321), (5369, 47979), (6903, 37317), (11151, 23101), (12439, 20709), (15993, 16107)]