201390861

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7109}}^1$

素因数の和:7209

約数の個数: 32

約数和(自身を含む): 327628800

約数和(自身を除く): 126237939

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 4047, 7109, 9443, 21327, 28329, 49763, 135071, 149289, 405213, 504739, 945497, 1514217, 2836491, 3533173, 9590041, 10599519, 28770123, 67130287, 201390861]

約数ペア:

[(1, 201390861), (3, 67130287), (7, 28770123), (19, 10599519), (21, 9590041), (57, 3533173), (71, 2836491), (133, 1514217), (213, 945497), (399, 504739), (497, 405213), (1349, 149289), (1491, 135071), (4047, 49763), (7109, 28329), (9443, 21327)]