64790379

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 103783680

約数和(自身を除く): 38993301

約数列:

[1, 3, 9, 23, 29, 43, 69, 87, 129, 207, 251, 261, 387, 667, 753, 989, 1247, 2001, 2259, 2967, 3741, 5773, 6003, 7279, 8901, 10793, 11223, 17319, 21837, 28681, 32379, 51957, 65511, 86043, 97137, 167417, 248239, 258129, 312997, 502251, 744717, 938991, 1506753, 2234151, 2816973, 7198931, 21596793, 64790379]

約数ペア:

[(1, 64790379), (3, 21596793), (9, 7198931), (23, 2816973), (29, 2234151), (43, 1506753), (69, 938991), (87, 744717), (129, 502251), (207, 312997), (251, 258129), (261, 248239), (387, 167417), (667, 97137), (753, 86043), (989, 65511), (1247, 51957), (2001, 32379), (2259, 28681), (2967, 21837), (3741, 17319), (5773, 11223), (6003, 10793), (7279, 8901)]