8138637

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 13416480

約数和(自身を除く): 5277843

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 117, 131, 177, 351, 393, 531, 767, 1053, 1179, 1593, 1703, 2301, 3537, 4779, 5109, 6903, 7729, 10611, 15327, 20709, 23187, 45981, 62127, 69561, 100477, 137943, 208683, 301431, 626049, 904293, 2712879, 8138637]

約数ペア:

[(1, 8138637), (3, 2712879), (9, 904293), (13, 626049), (27, 301431), (39, 208683), (59, 137943), (81, 100477), (117, 69561), (131, 62127), (177, 45981), (351, 23187), (393, 20709), (531, 15327), (767, 10611), (1053, 7729), (1179, 6903), (1593, 5109), (1703, 4779), (2301, 3537)]