13993431

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 20901888

約数和(自身を除く): 6908457

約数列:

[1, 3, 17, 31, 51, 53, 93, 159, 167, 501, 527, 901, 1581, 1643, 2703, 2839, 4929, 5177, 8517, 8851, 15531, 26553, 27931, 83793, 88009, 150467, 264027, 274381, 451401, 823143, 4664477, 13993431]

約数ペア:

[(1, 13993431), (3, 4664477), (17, 823143), (31, 451401), (51, 274381), (53, 264027), (93, 150467), (159, 88009), (167, 83793), (501, 27931), (527, 26553), (901, 15531), (1581, 8851), (1643, 8517), (2703, 5177), (2839, 4929)]