285540003

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 504176400

約数和(自身を除く): 218636397

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 83, 87, 147, 203, 249, 261, 269, 441, 581, 609, 747, 807, 1421, 1743, 1827, 1883, 2407, 2421, 4067, 4263, 5229, 5649, 7221, 7801, 12201, 12789, 13181, 16849, 16947, 21663, 22327, 23403, 36603, 39543, 50547, 54607, 66981, 70209, 117943, 118629, 151641, 156289, 163821, 200943, 353829, 382249, 468867, 491463, 647483, 1061487, 1094023, 1146747, 1406601, 1942449, 3282069, 3440241, 4532381, 5827347, 9846207, 13597143, 31726667, 40791429, 95180001, 285540003]

約数ペア:

[(1, 285540003), (3, 95180001), (7, 40791429), (9, 31726667), (21, 13597143), (29, 9846207), (49, 5827347), (63, 4532381), (83, 3440241), (87, 3282069), (147, 1942449), (203, 1406601), (249, 1146747), (261, 1094023), (269, 1061487), (441, 647483), (581, 491463), (609, 468867), (747, 382249), (807, 353829), (1421, 200943), (1743, 163821), (1827, 156289), (1883, 151641), (2407, 118629), (2421, 117943), (4067, 70209), (4263, 66981), (5229, 54607), (5649, 50547), (7221, 39543), (7801, 36603), (12201, 23403), (12789, 22327), (13181, 21663), (16849, 16947)]