27756771

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 43921920

約数和(自身を除く): 16165149

約数列:

[1, 3, 7, 21, 37, 111, 139, 257, 259, 417, 771, 777, 973, 1799, 2919, 5143, 5397, 9509, 15429, 28527, 35723, 36001, 66563, 107169, 108003, 199689, 250061, 750183, 1321751, 3965253, 9252257, 27756771]

約数ペア:

[(1, 27756771), (3, 9252257), (7, 3965253), (21, 1321751), (37, 750183), (111, 250061), (139, 199689), (257, 108003), (259, 107169), (417, 66563), (771, 36001), (777, 35723), (973, 28527), (1799, 15429), (2919, 9509), (5143, 5397)]