28601001

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 49375872

約数和(自身を除く): 20774871

約数列:

[1, 3, 9, 11, 13, 33, 39, 71, 99, 117, 143, 213, 313, 429, 639, 781, 923, 939, 1287, 2343, 2769, 2817, 3443, 4069, 7029, 8307, 10153, 10329, 12207, 22223, 30459, 30987, 36621, 44759, 66669, 91377, 134277, 200007, 244453, 288899, 402831, 733359, 866697, 2200077, 2600091, 3177889, 9533667, 28601001]

約数ペア:

[(1, 28601001), (3, 9533667), (9, 3177889), (11, 2600091), (13, 2200077), (33, 866697), (39, 733359), (71, 402831), (99, 288899), (117, 244453), (143, 200007), (213, 134277), (313, 91377), (429, 66669), (639, 44759), (781, 36621), (923, 30987), (939, 30459), (1287, 22223), (2343, 12207), (2769, 10329), (2817, 10153), (3443, 8307), (4069, 7029)]