2161569267

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15131}}^1$

素因数の和:15201

約数の個数: 64

約数和(自身を含む): 3864107520

約数和(自身を除く): 1702538253

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 99, 111, 117, 143, 297, 333, 351, 407, 429, 481, 999, 1221, 1287, 1443, 3663, 3861, 4329, 5291, 10989, 12987, 15131, 15873, 45393, 47619, 136179, 142857, 166441, 196703, 408537, 499323, 559847, 590109, 1497969, 1679541, 1770327, 2163733, 4493907, 5038623, 5310981, 6158317, 6491199, 7278011, 15115869, 18474951, 19473597, 21834033, 55424853, 58420791, 65502099, 80058121, 166274559, 196506297, 240174363, 720523089, 2161569267]

約数ペア:

[(1, 2161569267), (3, 720523089), (9, 240174363), (11, 196506297), (13, 166274559), (27, 80058121), (33, 65502099), (37, 58420791), (39, 55424853), (99, 21834033), (111, 19473597), (117, 18474951), (143, 15115869), (297, 7278011), (333, 6491199), (351, 6158317), (407, 5310981), (429, 5038623), (481, 4493907), (999, 2163733), (1221, 1770327), (1287, 1679541), (1443, 1497969), (3663, 590109), (3861, 559847), (4329, 499323), (5291, 408537), (10989, 196703), (12987, 166441), (15131, 142857), (15873, 136179), (45393, 47619)]