13215204873

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{319973}}^1$

素因数の和:320345

約数の個数: 24

約数和(自身を含む): 20615284872

約数和(自身を除く): 7400079999

約数列:

[1, 3, 9, 13, 39, 117, 353, 1059, 3177, 4589, 13767, 41301, 319973, 959919, 2879757, 4159649, 12478947, 37436841, 112950469, 338851407, 1016554221, 1468356097, 4405068291, 13215204873]

約数ペア:

[(1, 13215204873), (3, 4405068291), (9, 1468356097), (13, 1016554221), (39, 338851407), (117, 112950469), (353, 37436841), (1059, 12478947), (3177, 4159649), (4589, 2879757), (13767, 959919), (41301, 319973)]