80864223

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 127908480

約数和(自身を除く): 47044257

約数列:

[1, 3, 11, 17, 33, 51, 61, 139, 183, 187, 289, 417, 561, 671, 867, 1037, 1529, 2013, 2363, 3111, 3179, 4587, 7089, 8479, 9537, 11407, 17629, 25437, 25993, 34221, 40171, 52887, 77979, 93269, 120513, 144143, 193919, 279807, 432429, 441881, 581757, 1325643, 1585573, 2450431, 4756719, 7351293, 26954741, 80864223]

約数ペア:

[(1, 80864223), (3, 26954741), (11, 7351293), (17, 4756719), (33, 2450431), (51, 1585573), (61, 1325643), (139, 581757), (183, 441881), (187, 432429), (289, 279807), (417, 193919), (561, 144143), (671, 120513), (867, 93269), (1037, 77979), (1529, 52887), (2013, 40171), (2363, 34221), (3111, 25993), (3179, 25437), (4587, 17629), (7089, 11407), (8479, 9537)]