51234363

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 81768960

約数和(自身を除く): 30534597

約数列:

[1, 3, 9, 23, 27, 69, 81, 89, 103, 207, 243, 267, 309, 621, 801, 927, 1863, 2047, 2369, 2403, 2781, 5589, 6141, 7107, 7209, 8343, 9167, 18423, 21321, 21627, 25029, 27501, 55269, 63963, 82503, 165807, 191889, 210841, 247509, 497421, 575667, 632523, 742527, 1897569, 2227581, 5692707, 17078121, 51234363]

約数ペア:

[(1, 51234363), (3, 17078121), (9, 5692707), (23, 2227581), (27, 1897569), (69, 742527), (81, 632523), (89, 575667), (103, 497421), (207, 247509), (243, 210841), (267, 191889), (309, 165807), (621, 82503), (801, 63963), (927, 55269), (1863, 27501), (2047, 25029), (2369, 21627), (2403, 21321), (2781, 18423), (5589, 9167), (6141, 8343), (7107, 7209)]