31804729

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 36942080

約数和(自身を除く): 5137351

約数列:

[1, 11, 31, 61, 121, 139, 341, 671, 1529, 1891, 3751, 4309, 7381, 8479, 16819, 20801, 47399, 93269, 228811, 262849, 521389, 1025959, 2891339, 31804729]

約数ペア:

[(1, 31804729), (11, 2891339), (31, 1025959), (61, 521389), (121, 262849), (139, 228811), (341, 93269), (671, 47399), (1529, 20801), (1891, 16819), (3751, 8479), (4309, 7381)]