28996820199

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{140081257}}^1$

素因数の和:140081286

約数の個数: 12

約数和(自身を含む): 43705352496

約数和(自身を除く): 14708532297

約数列:

[1, 3, 9, 23, 69, 207, 140081257, 420243771, 1260731313, 3221868911, 9665606733, 28996820199]

約数ペア:

[(1, 28996820199), (3, 9665606733), (9, 3221868911), (23, 1260731313), (69, 420243771), (207, 140081257)]