67780647

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9643}}^1$

素因数の和:9731

約数の個数: 24

約数和(自身を含む): 108321408

約数和(自身を除く): 40540761

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 9643, 28929, 86787, 106073, 318219, 684653, 954657, 2053959, 6161877, 7531183, 22593549, 67780647]

約数ペア:

[(1, 67780647), (3, 22593549), (9, 7531183), (11, 6161877), (33, 2053959), (71, 954657), (99, 684653), (213, 318219), (639, 106073), (781, 86787), (2343, 28929), (7029, 9643)]