1520663949

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{36739}}^1$

素因数の和:36831

約数の個数: 40

約数和(自身を含む): 2631759680

約数和(自身を除く): 1111095731

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 511, 567, 657, 1533, 1971, 4599, 5913, 13797, 36739, 41391, 110217, 257173, 330651, 771519, 991953, 2314557, 2681947, 2975859, 6943671, 8045841, 18773629, 20831013, 24137523, 56320887, 72412569, 168962661, 217237707, 506887983, 1520663949]

約数ペア:

[(1, 1520663949), (3, 506887983), (7, 217237707), (9, 168962661), (21, 72412569), (27, 56320887), (63, 24137523), (73, 20831013), (81, 18773629), (189, 8045841), (219, 6943671), (511, 2975859), (567, 2681947), (657, 2314557), (1533, 991953), (1971, 771519), (4599, 330651), (5913, 257173), (13797, 110217), (36739, 41391)]