209968202019

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{310883}}^1$

素因数の和:310980

約数の個数: 48

約数和(自身を含む): 320683063680

約数和(自身を除く): 110714861661

約数列:

[1, 3, 17, 19, 41, 51, 57, 123, 289, 323, 697, 779, 867, 969, 2091, 2337, 5491, 11849, 13243, 16473, 35547, 39729, 225131, 310883, 675393, 932649, 5285011, 5906777, 12746203, 15855033, 17720331, 38238609, 89845187, 100415209, 216685451, 242177857, 269535561, 301245627, 650056353, 726533571, 1707058553, 3683652667, 4117023569, 5121175659, 11050958001, 12351070707, 69989400673, 209968202019]

約数ペア:

[(1, 209968202019), (3, 69989400673), (17, 12351070707), (19, 11050958001), (41, 5121175659), (51, 4117023569), (57, 3683652667), (123, 1707058553), (289, 726533571), (323, 650056353), (697, 301245627), (779, 269535561), (867, 242177857), (969, 216685451), (2091, 100415209), (2337, 89845187), (5491, 38238609), (11849, 17720331), (13243, 15855033), (16473, 12746203), (35547, 5906777), (39729, 5285011), (225131, 932649), (310883, 675393)]