198466317

素因数分解:

$3^2\times 7^3\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 336960000

約数和(自身を除く): 138493683

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 239, 269, 343, 441, 717, 807, 1029, 1673, 1883, 2151, 2421, 3087, 5019, 5649, 11711, 13181, 15057, 16947, 35133, 39543, 64291, 81977, 92267, 105399, 118629, 192873, 245931, 276801, 450037, 578619, 737793, 830403, 1350111, 3150259, 4050333, 9450777, 22051813, 28352331, 66155439, 198466317]

約数ペア:

[(1, 198466317), (3, 66155439), (7, 28352331), (9, 22051813), (21, 9450777), (49, 4050333), (63, 3150259), (147, 1350111), (239, 830403), (269, 737793), (343, 578619), (441, 450037), (717, 276801), (807, 245931), (1029, 192873), (1673, 118629), (1883, 105399), (2151, 92267), (2421, 81977), (3087, 64291), (5019, 39543), (5649, 35133), (11711, 16947), (13181, 15057)]