28996863

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 46139904

約数和(自身を除く): 17143041

約数列:

[1, 3, 7, 21, 37, 67, 111, 201, 259, 469, 557, 777, 1407, 1671, 2479, 3899, 7437, 11697, 17353, 20609, 37319, 52059, 61827, 111957, 144263, 261233, 432789, 783699, 1380803, 4142409, 9665621, 28996863]

約数ペア:

[(1, 28996863), (3, 9665621), (7, 4142409), (21, 1380803), (37, 783699), (67, 432789), (111, 261233), (201, 144263), (259, 111957), (469, 61827), (557, 52059), (777, 37319), (1407, 20609), (1671, 17353), (2479, 11697), (3899, 7437)]