2189159427

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4423}}^1$

素因数の和:4497

約数の個数: 64

約数和(自身を含む): 3765708800

約数和(自身を除く): 1576549373

約数列:

[1, 3, 7, 13, 21, 37, 39, 49, 91, 111, 147, 259, 273, 343, 481, 637, 777, 1029, 1443, 1813, 1911, 3367, 4423, 4459, 5439, 10101, 12691, 13269, 13377, 23569, 30961, 38073, 57499, 70707, 92883, 163651, 164983, 172497, 216727, 402493, 490953, 494949, 650181, 1145557, 1207479, 1517089, 2127463, 2817451, 3436671, 4551267, 6382389, 8018899, 8452353, 14892241, 19722157, 24056697, 44676723, 56132293, 59166471, 104245687, 168396879, 312737061, 729719809, 2189159427]

約数ペア:

[(1, 2189159427), (3, 729719809), (7, 312737061), (13, 168396879), (21, 104245687), (37, 59166471), (39, 56132293), (49, 44676723), (91, 24056697), (111, 19722157), (147, 14892241), (259, 8452353), (273, 8018899), (343, 6382389), (481, 4551267), (637, 3436671), (777, 2817451), (1029, 2127463), (1443, 1517089), (1813, 1207479), (1911, 1145557), (3367, 650181), (4423, 494949), (4459, 490953), (5439, 402493), (10101, 216727), (12691, 172497), (13269, 164983), (13377, 163651), (23569, 92883), (30961, 70707), (38073, 57499)]