51278613

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 75209472

約数和(自身を除く): 23930859

約数列:

[1, 3, 17, 51, 53, 61, 159, 183, 311, 901, 933, 1037, 2703, 3111, 3233, 5287, 9699, 15861, 16483, 18971, 49449, 54961, 56913, 164883, 280211, 322507, 840633, 967521, 1005463, 3016389, 17092871, 51278613]

約数ペア:

[(1, 51278613), (3, 17092871), (17, 3016389), (51, 1005463), (53, 967521), (61, 840633), (159, 322507), (183, 280211), (311, 164883), (901, 56913), (933, 54961), (1037, 49449), (2703, 18971), (3111, 16483), (3233, 15861), (5287, 9699)]