8207031

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 13404160

約数和(自身を除く): 5197129

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 307, 399, 469, 921, 1273, 1407, 2149, 3819, 5833, 6447, 8911, 17499, 20569, 26733, 40831, 61707, 122493, 143983, 390811, 431949, 1172433, 2735677, 8207031]

約数ペア:

[(1, 8207031), (3, 2735677), (7, 1172433), (19, 431949), (21, 390811), (57, 143983), (67, 122493), (133, 61707), (201, 40831), (307, 26733), (399, 20569), (469, 17499), (921, 8911), (1273, 6447), (1407, 5833), (2149, 3819)]