78391989

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{223339}}^1$

素因数の和:223361

約数の個数: 16

約数和(自身を含む): 125070400

約数和(自身を除く): 46678411

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 223339, 670017, 2010051, 2903407, 6030153, 8710221, 26130663, 78391989]

約数ペア:

[(1, 78391989), (3, 26130663), (9, 8710221), (13, 6030153), (27, 2903407), (39, 2010051), (117, 670017), (351, 223339)]