68221557

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 100571328

約数和(自身を除く): 32349771

約数列:

[1, 3, 9, 71, 213, 241, 443, 639, 723, 1329, 2169, 3987, 17111, 31453, 51333, 94359, 106763, 153999, 283077, 320289, 960867, 7580173, 22740519, 68221557]

約数ペア:

[(1, 68221557), (3, 22740519), (9, 7580173), (71, 960867), (213, 320289), (241, 283077), (443, 153999), (639, 106763), (723, 94359), (1329, 51333), (2169, 31453), (3987, 17111)]