81993023

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 101647872

約数和(自身を除く): 19654849

約数列:

[1, 7, 17, 49, 119, 257, 383, 833, 1799, 2681, 4369, 6511, 12593, 18767, 30583, 45577, 98431, 214081, 319039, 689017, 1673327, 4823119, 11713289, 81993023]

約数ペア:

[(1, 81993023), (7, 11713289), (17, 4823119), (49, 1673327), (119, 689017), (257, 319039), (383, 214081), (833, 98431), (1799, 45577), (2681, 30583), (4369, 18767), (6511, 12593)]