71517901

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 92153600

約数和(自身を除く): 20635699

約数列:

[1, 7, 13, 43, 49, 91, 301, 343, 373, 559, 637, 2107, 2611, 3913, 4459, 4849, 14749, 16039, 18277, 27391, 33943, 112273, 127939, 191737, 208507, 237601, 785911, 1459549, 1663207, 5501377, 10216843, 71517901]

約数ペア:

[(1, 71517901), (7, 10216843), (13, 5501377), (43, 1663207), (49, 1459549), (91, 785911), (301, 237601), (343, 208507), (373, 191737), (559, 127939), (637, 112273), (2107, 33943), (2611, 27391), (3913, 18277), (4459, 16039), (4849, 14749)]