28969437

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 46080000

約数和(自身を除く): 17110563

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 599, 987, 1029, 1797, 2303, 4193, 6909, 12579, 16121, 28153, 29351, 48363, 84459, 88053, 197071, 205457, 591213, 616371, 1379497, 4138491, 9656479, 28969437]

約数ペア:

[(1, 28969437), (3, 9656479), (7, 4138491), (21, 1379497), (47, 616371), (49, 591213), (141, 205457), (147, 197071), (329, 88053), (343, 84459), (599, 48363), (987, 29351), (1029, 28153), (1797, 16121), (2303, 12579), (4193, 6909)]