9991971

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2016

約数の個数: 32

約数和(自身を含む): 17107200

約数和(自身を除く): 7115229

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 1979, 5049, 5937, 17811, 21769, 33643, 53433, 65307, 100929, 195921, 302787, 370073, 587763, 908361, 1110219, 3330657, 9991971]

約数ペア:

[(1, 9991971), (3, 3330657), (9, 1110219), (11, 908361), (17, 587763), (27, 370073), (33, 302787), (51, 195921), (99, 100929), (153, 65307), (187, 53433), (297, 33643), (459, 21769), (561, 17811), (1683, 5937), (1979, 5049)]