209620863

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{72109}}^1$

素因数の和:72151

約数の個数: 24

約数和(自身を含む): 337474800

約数和(自身を除く): 127853937

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 72109, 216327, 648981, 1225853, 1370071, 3677559, 4110213, 11032677, 12330639, 23291207, 69873621, 209620863]

約数ペア:

[(1, 209620863), (3, 69873621), (9, 23291207), (17, 12330639), (19, 11032677), (51, 4110213), (57, 3677559), (153, 1370071), (171, 1225853), (323, 648981), (969, 216327), (2907, 72109)]