20171249865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{144271}}^1$

素因数の和:144534

約数の個数: 48

約数和(自身を含む): 37810805760

約数和(自身を除く): 17639555895

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 239, 585, 717, 1195, 2151, 3107, 3585, 9321, 10755, 15535, 27963, 46605, 139815, 144271, 432813, 721355, 1298439, 1875523, 2164065, 5626569, 6492195, 9377615, 16879707, 28132845, 34480769, 84398535, 103442307, 172403845, 310326921, 448249997, 517211535, 1344749991, 1551634605, 2241249985, 4034249973, 6723749955, 20171249865]

約数ペア:

[(1, 20171249865), (3, 6723749955), (5, 4034249973), (9, 2241249985), (13, 1551634605), (15, 1344749991), (39, 517211535), (45, 448249997), (65, 310326921), (117, 172403845), (195, 103442307), (239, 84398535), (585, 34480769), (717, 28132845), (1195, 16879707), (2151, 9377615), (3107, 6492195), (3585, 5626569), (9321, 2164065), (10755, 1875523), (15535, 1298439), (27963, 721355), (46605, 432813), (139815, 144271)]