780597

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:454

約数の個数: 20

約数和(自身を含む): 1219680

約数和(自身を除く): 439083

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 419, 621, 1257, 1863, 3771, 9637, 11313, 28911, 33939, 86733, 260199, 780597]

約数ペア:

[(1, 780597), (3, 260199), (9, 86733), (23, 33939), (27, 28911), (69, 11313), (81, 9637), (207, 3771), (419, 1863), (621, 1257)]