207821907

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{5167}}^1$

素因数の和:5323

約数の個数: 24

約数和(自身を含む): 310390080

約数和(自身を除く): 102568173

約数列:

[1, 3, 9, 41, 109, 123, 327, 369, 981, 4469, 5167, 13407, 15501, 40221, 46503, 211847, 563203, 635541, 1689609, 1906623, 5068827, 23091323, 69273969, 207821907]

約数ペア:

[(1, 207821907), (3, 69273969), (9, 23091323), (41, 5068827), (109, 1906623), (123, 1689609), (327, 635541), (369, 563203), (981, 211847), (4469, 46503), (5167, 40221), (13407, 15501)]