978705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 2096640

約数和(自身を除く): 1117935

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 239, 273, 315, 455, 585, 717, 819, 1195, 1365, 1673, 2151, 3107, 3585, 4095, 5019, 8365, 9321, 10755, 15057, 15535, 21749, 25095, 27963, 46605, 65247, 75285, 108745, 139815, 195741, 326235, 978705]

約数ペア:

[(1, 978705), (3, 326235), (5, 195741), (7, 139815), (9, 108745), (13, 75285), (15, 65247), (21, 46605), (35, 27963), (39, 25095), (45, 21749), (63, 15535), (65, 15057), (91, 10755), (105, 9321), (117, 8365), (195, 5019), (239, 4095), (273, 3585), (315, 3107), (455, 2151), (585, 1673), (717, 1365), (819, 1195)]