208540479

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20143}}^1$

素因数の和:20199

約数の個数: 32

約数和(自身を含む): 348088320

約数和(自身を除く): 139547841

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 3451, 10353, 20143, 60429, 141001, 342431, 423003, 584147, 1027293, 1752441, 2397017, 4089029, 7191051, 9930499, 12267087, 29791497, 69513493, 208540479]

約数ペア:

[(1, 208540479), (3, 69513493), (7, 29791497), (17, 12267087), (21, 9930499), (29, 7191051), (51, 4089029), (87, 2397017), (119, 1752441), (203, 1027293), (357, 584147), (493, 423003), (609, 342431), (1479, 141001), (3451, 60429), (10353, 20143)]