51999903

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4283}}^1$

素因数の和:4379

約数の個数: 24

約数和(自身を含む): 80196480

約数和(自身を除く): 28196577

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 4283, 12141, 12849, 38547, 81377, 244131, 304093, 732393, 912279, 2736837, 5777767, 17333301, 51999903]

約数ペア:

[(1, 51999903), (3, 17333301), (9, 5777767), (19, 2736837), (57, 912279), (71, 732393), (171, 304093), (213, 244131), (639, 81377), (1349, 38547), (4047, 12849), (4283, 12141)]