80557701

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2129

約数の個数: 32

約数和(自身を含む): 130560000

約数和(自身を除く): 50002299

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 707, 1919, 1999, 2121, 5757, 5997, 13433, 13993, 37981, 40299, 41979, 113943, 201899, 265867, 605697, 797601, 1413293, 3836081, 4239879, 11508243, 26852567, 80557701]

約数ペア:

[(1, 80557701), (3, 26852567), (7, 11508243), (19, 4239879), (21, 3836081), (57, 1413293), (101, 797601), (133, 605697), (303, 265867), (399, 201899), (707, 113943), (1919, 41979), (1999, 40299), (2121, 37981), (5757, 13993), (5997, 13433)]