55565571

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 81476928

約数和(自身を除く): 25911357

約数列:

[1, 3, 17, 51, 53, 61, 159, 183, 337, 901, 1011, 1037, 2703, 3111, 3233, 5729, 9699, 17187, 17861, 20557, 53583, 54961, 61671, 164883, 303637, 349469, 910911, 1048407, 1089521, 3268563, 18521857, 55565571]

約数ペア:

[(1, 55565571), (3, 18521857), (17, 3268563), (51, 1089521), (53, 1048407), (61, 910911), (159, 349469), (183, 303637), (337, 164883), (901, 61671), (1011, 54961), (1037, 53583), (2703, 20557), (3111, 17861), (3233, 17187), (5729, 9699)]