2550891

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 32

約数和(自身を含む): 4134400

約数和(自身を除く): 1583509

約数列:

[1, 3, 7, 21, 37, 49, 67, 111, 147, 201, 259, 343, 469, 777, 1029, 1407, 1813, 2479, 3283, 5439, 7437, 9849, 12691, 17353, 22981, 38073, 52059, 68943, 121471, 364413, 850297, 2550891]

約数ペア:

[(1, 2550891), (3, 850297), (7, 364413), (21, 121471), (37, 68943), (49, 52059), (67, 38073), (111, 22981), (147, 17353), (201, 12691), (259, 9849), (343, 7437), (469, 5439), (777, 3283), (1029, 2479), (1407, 1813)]