51142091

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2689}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 72307200

約数和(自身を除く): 21165109

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2689, 2717, 18823, 19019, 29579, 34957, 51091, 207053, 244699, 357637, 384527, 562001, 664183, 2691689, 3934007, 4649281, 7306013, 51142091]

約数ペア:

[(1, 51142091), (7, 7306013), (11, 4649281), (13, 3934007), (19, 2691689), (77, 664183), (91, 562001), (133, 384527), (143, 357637), (209, 244699), (247, 207053), (1001, 51091), (1463, 34957), (1729, 29579), (2689, 19019), (2717, 18823)]