8707377

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 14156800

約数和(自身を除く): 5449423

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 157, 399, 417, 471, 973, 1099, 2641, 2919, 2983, 3297, 7923, 8949, 18487, 20881, 21823, 55461, 62643, 65469, 152761, 414637, 458283, 1243911, 2902459, 8707377]

約数ペア:

[(1, 8707377), (3, 2902459), (7, 1243911), (19, 458283), (21, 414637), (57, 152761), (133, 65469), (139, 62643), (157, 55461), (399, 21823), (417, 20881), (471, 18487), (973, 8949), (1099, 7923), (2641, 3297), (2919, 2983)]