12813921

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 19533696

約数和(自身を除く): 6719775

約数列:

[1, 3, 9, 23, 69, 103, 207, 309, 601, 927, 1803, 2369, 5409, 7107, 13823, 21321, 41469, 61903, 124407, 185709, 557127, 1423769, 4271307, 12813921]

約数ペア:

[(1, 12813921), (3, 4271307), (9, 1423769), (23, 557127), (69, 185709), (103, 124407), (207, 61903), (309, 41469), (601, 21321), (927, 13823), (1803, 7107), (2369, 5409)]