7997613

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 12418560

約数和(自身を除く): 4420947

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 251, 559, 741, 753, 817, 1677, 2451, 3263, 4769, 9789, 10621, 10793, 14307, 31863, 32379, 61997, 140309, 185991, 205067, 420927, 615201, 2665871, 7997613]

約数ペア:

[(1, 7997613), (3, 2665871), (13, 615201), (19, 420927), (39, 205067), (43, 185991), (57, 140309), (129, 61997), (247, 32379), (251, 31863), (559, 14307), (741, 10793), (753, 10621), (817, 9789), (1677, 4769), (2451, 3263)]