686678271

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{66791}}^1$

素因数の和:66966

約数の個数: 16

約数和(自身を含む): 961804800

約数和(自身を除く): 275126529

約数列:

[1, 3, 23, 69, 149, 447, 3427, 10281, 66791, 200373, 1536193, 4608579, 9951859, 29855577, 228892757, 686678271]

約数ペア:

[(1, 686678271), (3, 228892757), (23, 29855577), (69, 9951859), (149, 4608579), (447, 1536193), (3427, 200373), (10281, 66791)]