207866061

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 354816000

約数和(自身を除く): 146949939

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 71, 117, 171, 213, 247, 351, 439, 513, 639, 741, 923, 1317, 1349, 1917, 2223, 2769, 3951, 4047, 5707, 6669, 8307, 8341, 11853, 12141, 17121, 17537, 24921, 25023, 31169, 36423, 51363, 52611, 75069, 93507, 108433, 154089, 157833, 225207, 280521, 325299, 405197, 473499, 592211, 841563, 975897, 1215591, 1776633, 2927691, 3646773, 5329899, 7698743, 10940319, 15989697, 23096229, 69288687, 207866061]

約数ペア:

[(1, 207866061), (3, 69288687), (9, 23096229), (13, 15989697), (19, 10940319), (27, 7698743), (39, 5329899), (57, 3646773), (71, 2927691), (117, 1776633), (171, 1215591), (213, 975897), (247, 841563), (351, 592211), (439, 473499), (513, 405197), (639, 325299), (741, 280521), (923, 225207), (1317, 157833), (1349, 154089), (1917, 108433), (2223, 93507), (2769, 75069), (3951, 52611), (4047, 51363), (5707, 36423), (6669, 31169), (8307, 25023), (8341, 24921), (11853, 17537), (12141, 17121)]