78369669

素因数分解:

$3^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 134784000

約数和(自身を除く): 56414331

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 343, 371, 441, 477, 479, 1029, 1113, 1437, 2597, 3087, 3339, 3353, 4311, 7791, 10059, 18179, 23373, 23471, 25387, 30177, 54537, 70413, 76161, 163611, 164297, 177709, 211239, 228483, 492891, 533127, 1243963, 1478673, 1599381, 3731889, 8707741, 11195667, 26123223, 78369669]

約数ペア:

[(1, 78369669), (3, 26123223), (7, 11195667), (9, 8707741), (21, 3731889), (49, 1599381), (53, 1478673), (63, 1243963), (147, 533127), (159, 492891), (343, 228483), (371, 211239), (441, 177709), (477, 164297), (479, 163611), (1029, 76161), (1113, 70413), (1437, 54537), (2597, 30177), (3087, 25387), (3339, 23471), (3353, 23373), (4311, 18179), (7791, 10059)]