202120989

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{88301}}^1$

素因数の和:88420

約数の個数: 16

約数和(自身を含む): 310823040

約数和(自身を除く): 108702051

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 88301, 264903, 618107, 1854321, 9624809, 28874427, 67373663, 202120989]

約数ペア:

[(1, 202120989), (3, 67373663), (7, 28874427), (21, 9624809), (109, 1854321), (327, 618107), (763, 264903), (2289, 88301)]