249186561

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 396264960

約数和(自身を除く): 147078399

約数列:

[1, 3, 13, 17, 39, 41, 51, 89, 103, 123, 221, 267, 309, 533, 663, 697, 1157, 1339, 1513, 1599, 1751, 2091, 3471, 3649, 4017, 4223, 4539, 5253, 9061, 9167, 10947, 12669, 19669, 22763, 27183, 27501, 47437, 54899, 59007, 62033, 68289, 71791, 119171, 142311, 155839, 164697, 186099, 215373, 357513, 375847, 467517, 806429, 933283, 1127541, 2025907, 2419287, 2799849, 4886011, 6077721, 6389399, 14658033, 19168197, 83062187, 249186561]

約数ペア:

[(1, 249186561), (3, 83062187), (13, 19168197), (17, 14658033), (39, 6389399), (41, 6077721), (51, 4886011), (89, 2799849), (103, 2419287), (123, 2025907), (221, 1127541), (267, 933283), (309, 806429), (533, 467517), (663, 375847), (697, 357513), (1157, 215373), (1339, 186099), (1513, 164697), (1599, 155839), (1751, 142311), (2091, 119171), (3471, 71791), (3649, 68289), (4017, 62033), (4223, 59007), (4539, 54899), (5253, 47437), (9061, 27501), (9167, 27183), (10947, 22763), (12669, 19669)]