222289599

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3919}}^1$

素因数の和:4039

約数の個数: 32

約数和(自身を含む): 352737280

約数和(自身を除く): 130447681

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 511, 777, 1533, 2701, 3919, 8103, 11757, 18907, 27433, 56721, 82299, 145003, 286087, 435009, 858261, 1015021, 2002609, 3045063, 6007827, 10585219, 31755657, 74096533, 222289599]

約数ペア:

[(1, 222289599), (3, 74096533), (7, 31755657), (21, 10585219), (37, 6007827), (73, 3045063), (111, 2002609), (219, 1015021), (259, 858261), (511, 435009), (777, 286087), (1533, 145003), (2701, 82299), (3919, 56721), (8103, 27433), (11757, 18907)]