249137109

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{2417}}^1$

素因数の和:3317

約数の個数: 24

約数和(自身を含む): 388147032

約数和(自身を除く): 139009923

約数列:

[1, 3, 9, 13, 39, 117, 881, 2417, 2643, 7251, 7929, 11453, 21753, 31421, 34359, 94263, 103077, 282789, 2129377, 6388131, 19164393, 27681901, 83045703, 249137109]

約数ペア:

[(1, 249137109), (3, 83045703), (9, 27681901), (13, 19164393), (39, 6388131), (117, 2129377), (881, 282789), (2417, 103077), (2643, 94263), (7251, 34359), (7929, 31421), (11453, 21753)]