156620817

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{81701}}^1$

素因数の和:81781

約数の個数: 16

約数和(自身を含む): 235301760

約数和(自身を除く): 78680943

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 81701, 245103, 735309, 2205927, 5800771, 17402313, 52206939, 156620817]

約数ペア:

[(1, 156620817), (3, 52206939), (9, 17402313), (27, 5800771), (71, 2205927), (213, 735309), (639, 245103), (1917, 81701)]