16943985

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 33872256

約数和(自身を除く): 16928271

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 81, 85, 107, 115, 135, 153, 207, 255, 321, 345, 391, 405, 459, 535, 621, 765, 963, 1035, 1173, 1377, 1605, 1819, 1863, 1955, 2295, 2461, 2889, 3105, 3519, 4815, 5457, 5865, 6885, 7383, 8667, 9095, 9315, 10557, 12305, 14445, 16371, 17595, 22149, 27285, 31671, 36915, 41837, 43335, 49113, 52785, 66447, 81855, 110745, 125511, 147339, 158355, 199341, 209185, 245565, 332235, 376533, 627555, 736695, 996705, 1129599, 1882665, 3388797, 5647995, 16943985]

約数ペア:

[(1, 16943985), (3, 5647995), (5, 3388797), (9, 1882665), (15, 1129599), (17, 996705), (23, 736695), (27, 627555), (45, 376533), (51, 332235), (69, 245565), (81, 209185), (85, 199341), (107, 158355), (115, 147339), (135, 125511), (153, 110745), (207, 81855), (255, 66447), (321, 52785), (345, 49113), (391, 43335), (405, 41837), (459, 36915), (535, 31671), (621, 27285), (765, 22149), (963, 17595), (1035, 16371), (1173, 14445), (1377, 12305), (1605, 10557), (1819, 9315), (1863, 9095), (1955, 8667), (2295, 7383), (2461, 6885), (2889, 5865), (3105, 5457), (3519, 4815)]