31787361

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{881}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 48615840

約数和(自身を除く): 16828479

約数列:

[1, 3, 9, 19, 57, 171, 211, 633, 881, 1899, 2643, 4009, 7929, 12027, 16739, 36081, 50217, 150651, 185891, 557673, 1673019, 3531929, 10595787, 31787361]

約数ペア:

[(1, 31787361), (3, 10595787), (9, 3531929), (19, 1673019), (57, 557673), (171, 185891), (211, 150651), (633, 50217), (881, 36081), (1899, 16739), (2643, 12027), (4009, 7929)]