198640449

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 342486144

約数和(自身を除く): 143845695

約数列:

[1, 3, 7, 9, 21, 41, 53, 63, 123, 159, 287, 369, 371, 477, 861, 1113, 1451, 2173, 2583, 3339, 4353, 6519, 10157, 13059, 15211, 19557, 30471, 45633, 59491, 76903, 91413, 136899, 178473, 230709, 416437, 535419, 538321, 692127, 1249311, 1614963, 3153023, 3747933, 4844889, 9459069, 22071161, 28377207, 66213483, 198640449]

約数ペア:

[(1, 198640449), (3, 66213483), (7, 28377207), (9, 22071161), (21, 9459069), (41, 4844889), (53, 3747933), (63, 3153023), (123, 1614963), (159, 1249311), (287, 692127), (369, 538321), (371, 535419), (477, 416437), (861, 230709), (1113, 178473), (1451, 136899), (2173, 91413), (2583, 76903), (3339, 59491), (4353, 45633), (6519, 30471), (10157, 19557), (13059, 15211)]