206893503

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 318427200

約数和(自身を除く): 111533697

約数列:

[1, 3, 9, 41, 53, 71, 123, 149, 159, 213, 369, 447, 477, 639, 1341, 2173, 2911, 3763, 6109, 6519, 7897, 8733, 10579, 11289, 18327, 19557, 23691, 26199, 31737, 33867, 54981, 71073, 95211, 154283, 323777, 433739, 462849, 560687, 971331, 1301217, 1388547, 1682061, 2913993, 3903651, 5046183, 22988167, 68964501, 206893503]

約数ペア:

[(1, 206893503), (3, 68964501), (9, 22988167), (41, 5046183), (53, 3903651), (71, 2913993), (123, 1682061), (149, 1388547), (159, 1301217), (213, 971331), (369, 560687), (447, 462849), (477, 433739), (639, 323777), (1341, 154283), (2173, 95211), (2911, 71073), (3763, 54981), (6109, 33867), (6519, 31737), (7897, 26199), (8733, 23691), (10579, 19557), (11289, 18327)]