17280861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23321}}^1$

素因数の和:23356

約数の個数: 16

約数和(自身を含む): 26120640

約数和(自身を除く): 8839779

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 23321, 69963, 303173, 443099, 909519, 1329297, 5760287, 17280861]

約数ペア:

[(1, 17280861), (3, 5760287), (13, 1329297), (19, 909519), (39, 443099), (57, 303173), (247, 69963), (741, 23321)]