1661796243

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{306209}}^1$

素因数の和:306288

約数の個数: 20

約数和(自身を含む): 2519495880

約数和(自身を除く): 857699637

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 306209, 918627, 2755881, 8267643, 20516003, 24802929, 61548009, 184644027, 553932081, 1661796243]

約数ペア:

[(1, 1661796243), (3, 553932081), (9, 184644027), (27, 61548009), (67, 24802929), (81, 20516003), (201, 8267643), (603, 2755881), (1809, 918627), (5427, 306209)]