199944531

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1669}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 328255200

約数和(自身を除く): 128310669

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 243, 261, 459, 493, 783, 1377, 1479, 1669, 2349, 4131, 4437, 5007, 7047, 13311, 15021, 28373, 39933, 45063, 48401, 85119, 119799, 135189, 145203, 255357, 405567, 435609, 766071, 822817, 1306827, 2298213, 2468451, 3920481, 6894639, 7405353, 11761443, 22216059, 66648177, 199944531]

約数ペア:

[(1, 199944531), (3, 66648177), (9, 22216059), (17, 11761443), (27, 7405353), (29, 6894639), (51, 3920481), (81, 2468451), (87, 2298213), (153, 1306827), (243, 822817), (261, 766071), (459, 435609), (493, 405567), (783, 255357), (1377, 145203), (1479, 135189), (1669, 119799), (2349, 85119), (4131, 48401), (4437, 45063), (5007, 39933), (7047, 28373), (13311, 15021)]