820031037

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{25741}}^1$

素因数の和:25829

約数の個数: 32

約数和(自身を含む): 1314695424

約数和(自身を除く): 494664387

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 777, 861, 1517, 4551, 10619, 25741, 31857, 77223, 180187, 540561, 952417, 1055381, 2857251, 3166143, 6666919, 7387667, 20000757, 22163001, 39049097, 117147291, 273343679, 820031037]

約数ペア:

[(1, 820031037), (3, 273343679), (7, 117147291), (21, 39049097), (37, 22163001), (41, 20000757), (111, 7387667), (123, 6666919), (259, 3166143), (287, 2857251), (777, 1055381), (861, 952417), (1517, 540561), (4551, 180187), (10619, 77223), (25741, 31857)]