67928787

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{49331}}^1$

素因数の和:49360

約数の個数: 20

約数和(自身を含む): 107445096

約数和(自身を除く): 39516309

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 49331, 147993, 443979, 838627, 1331937, 2515881, 3995811, 7547643, 22642929, 67928787]

約数ペア:

[(1, 67928787), (3, 22642929), (9, 7547643), (17, 3995811), (27, 2515881), (51, 1331937), (81, 838627), (153, 443979), (459, 147993), (1377, 49331)]