209475207

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{15737}}^1$

素因数の和:15792

約数の個数: 32

約数和(自身を含む): 339940800

約数和(自身を除く): 130465593

約数列:

[1, 3, 9, 17, 27, 29, 51, 87, 153, 261, 459, 493, 783, 1479, 4437, 13311, 15737, 47211, 141633, 267529, 424899, 456373, 802587, 1369119, 2407761, 4107357, 7223283, 7758341, 12322071, 23275023, 69825069, 209475207]

約数ペア:

[(1, 209475207), (3, 69825069), (9, 23275023), (17, 12322071), (27, 7758341), (29, 7223283), (51, 4107357), (87, 2407761), (153, 1369119), (261, 802587), (459, 456373), (493, 424899), (783, 267529), (1479, 141633), (4437, 47211), (13311, 15737)]