207907827351

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{788309}}^1$

素因数の和:788999

約数の個数: 32

約数和(自身を含む): 333991180800

約数和(自身を除く): 126083353449

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 661, 1983, 4627, 12559, 13881, 37677, 87913, 263739, 788309, 2364927, 5518163, 14977871, 16554489, 44933613, 104845097, 314535291, 521072249, 1563216747, 3647505743, 9900372731, 10942517229, 29701118193, 69302609117, 207907827351]

約数ペア:

[(1, 207907827351), (3, 69302609117), (7, 29701118193), (19, 10942517229), (21, 9900372731), (57, 3647505743), (133, 1563216747), (399, 521072249), (661, 314535291), (1983, 104845097), (4627, 44933613), (12559, 16554489), (13881, 14977871), (37677, 5518163), (87913, 2364927), (263739, 788309)]