131255319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1117}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 198342144

約数和(自身を除く): 67086825

約数列:

[1, 3, 13, 23, 39, 69, 131, 299, 393, 897, 1117, 1703, 3013, 3351, 5109, 9039, 14521, 25691, 39169, 43563, 77073, 117507, 146327, 333983, 438981, 1001949, 1902251, 3365521, 5706753, 10096563, 43751773, 131255319]

約数ペア:

[(1, 131255319), (3, 43751773), (13, 10096563), (23, 5706753), (39, 3365521), (69, 1902251), (131, 1001949), (299, 438981), (393, 333983), (897, 146327), (1117, 117507), (1703, 77073), (3013, 43563), (3351, 39169), (5109, 25691), (9039, 14521)]