217213863

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{51607}}^1$

素因数の和:51694

約数の個数: 16

約数和(自身を含む): 307170816

約数和(自身を除く): 89956953

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 51607, 154821, 1186961, 3148027, 3560883, 9444081, 72404621, 217213863]

約数ペア:

[(1, 217213863), (3, 72404621), (23, 9444081), (61, 3560883), (69, 3148027), (183, 1186961), (1403, 154821), (4209, 51607)]