199795005

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 375196800

約数和(自身を除く): 175401795

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 67, 81, 111, 135, 185, 199, 201, 333, 335, 405, 555, 597, 603, 995, 999, 1005, 1665, 1791, 1809, 2479, 2985, 2997, 3015, 4995, 5373, 5427, 7363, 7437, 8955, 9045, 12395, 13333, 14985, 16119, 22089, 22311, 26865, 27135, 36815, 37185, 39999, 66267, 66665, 66933, 80595, 110445, 111555, 119997, 198801, 199995, 200799, 331335, 334665, 359991, 493321, 596403, 599985, 994005, 1003995, 1079973, 1479963, 1799955, 2466605, 2982015, 4439889, 5399865, 7399815, 13319667, 22199445, 39959001, 66598335, 199795005]

約数ペア:

[(1, 199795005), (3, 66598335), (5, 39959001), (9, 22199445), (15, 13319667), (27, 7399815), (37, 5399865), (45, 4439889), (67, 2982015), (81, 2466605), (111, 1799955), (135, 1479963), (185, 1079973), (199, 1003995), (201, 994005), (333, 599985), (335, 596403), (405, 493321), (555, 359991), (597, 334665), (603, 331335), (995, 200799), (999, 199995), (1005, 198801), (1665, 119997), (1791, 111555), (1809, 110445), (2479, 80595), (2985, 66933), (2997, 66665), (3015, 66267), (4995, 39999), (5373, 37185), (5427, 36815), (7363, 27135), (7437, 26865), (8955, 22311), (9045, 22089), (12395, 16119), (13333, 14985)]