80707767

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 127125504

約数和(自身を除く): 46417737

約数列:

[1, 3, 7, 21, 37, 111, 241, 259, 431, 723, 777, 1293, 1687, 3017, 5061, 8917, 9051, 15947, 26751, 47841, 62419, 103871, 111629, 187257, 311613, 334887, 727097, 2181291, 3843227, 11529681, 26902589, 80707767]

約数ペア:

[(1, 80707767), (3, 26902589), (7, 11529681), (21, 3843227), (37, 2181291), (111, 727097), (241, 334887), (259, 311613), (431, 187257), (723, 111629), (777, 103871), (1293, 62419), (1687, 47841), (3017, 26751), (5061, 15947), (8917, 9051)]