17391517

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 22216320

約数和(自身を除く): 4824803

約数列:

[1, 11, 13, 19, 37, 143, 173, 209, 247, 407, 481, 703, 1903, 2249, 2717, 3287, 5291, 6401, 7733, 9139, 24739, 36157, 42731, 70411, 83213, 100529, 121619, 470041, 915343, 1337809, 1581047, 17391517]

約数ペア:

[(1, 17391517), (11, 1581047), (13, 1337809), (19, 915343), (37, 470041), (143, 121619), (173, 100529), (209, 83213), (247, 70411), (407, 42731), (481, 36157), (703, 24739), (1903, 9139), (2249, 7733), (2717, 6401), (3287, 5291)]