201321657

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 312119808

約数和(自身を除く): 110798151

約数列:

[1, 3, 9, 31, 43, 93, 97, 129, 173, 279, 291, 387, 519, 873, 1333, 1557, 3007, 3999, 4171, 5363, 7439, 9021, 11997, 12513, 16089, 16781, 22317, 27063, 37539, 48267, 50343, 66951, 129301, 151029, 230609, 387903, 520211, 691827, 721583, 1163709, 1560633, 2075481, 2164749, 4681899, 6494247, 22369073, 67107219, 201321657]

約数ペア:

[(1, 201321657), (3, 67107219), (9, 22369073), (31, 6494247), (43, 4681899), (93, 2164749), (97, 2075481), (129, 1560633), (173, 1163709), (279, 721583), (291, 691827), (387, 520211), (519, 387903), (873, 230609), (1333, 151029), (1557, 129301), (3007, 66951), (3999, 50343), (4171, 48267), (5363, 37539), (7439, 27063), (9021, 22317), (11997, 16781), (12513, 16089)]