81313989

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^2\times {\mathrm{101}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 113474592

約数和(自身を除く): 32160603

約数列:

[1, 3, 43, 79, 101, 129, 237, 303, 3397, 4343, 6241, 7979, 10191, 13029, 18723, 23937, 268363, 343097, 630341, 805089, 1029291, 1891023, 27104663, 81313989]

約数ペア:

[(1, 81313989), (3, 27104663), (43, 1891023), (79, 1029291), (101, 805089), (129, 630341), (237, 343097), (303, 268363), (3397, 23937), (4343, 18723), (6241, 13029), (7979, 10191)]