217989831

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{25667}}^1$

素因数の和:25838

約数の個数: 16

約数和(自身を含む): 308016000

約数和(自身を除く): 90026169

約数列:

[1, 3, 19, 57, 149, 447, 2831, 8493, 25667, 77001, 487673, 1463019, 3824383, 11473149, 72663277, 217989831]

約数ペア:

[(1, 217989831), (3, 72663277), (19, 11473149), (57, 3824383), (149, 1463019), (447, 487673), (2831, 77001), (8493, 25667)]