278601219

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{140071}}^1$

素因数の和:140107

約数の個数: 24

約数和(自身を含む): 458875872

約数和(自身を除く): 180274653

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 140071, 420213, 1260639, 1820923, 2381207, 5462769, 7143621, 16388307, 21430863, 30955691, 92867073, 278601219]

約数ペア:

[(1, 278601219), (3, 92867073), (9, 30955691), (13, 21430863), (17, 16388307), (39, 7143621), (51, 5462769), (117, 2381207), (153, 1820923), (221, 1260639), (663, 420213), (1989, 140071)]