12643971

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 18869760

約数和(自身を除く): 6225789

約数列:

[1, 3, 17, 29, 51, 83, 87, 103, 249, 309, 493, 1411, 1479, 1751, 2407, 2987, 4233, 5253, 7221, 8549, 8961, 25647, 40919, 50779, 122757, 145333, 152337, 247921, 435999, 743763, 4214657, 12643971]

約数ペア:

[(1, 12643971), (3, 4214657), (17, 743763), (29, 435999), (51, 247921), (83, 152337), (87, 145333), (103, 122757), (249, 50779), (309, 40919), (493, 25647), (1411, 8961), (1479, 8549), (1751, 7221), (2407, 5253), (2987, 4233)]