31231839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 46932480

約数和(自身を除く): 15700641

約数列:

[1, 3, 17, 19, 51, 57, 167, 193, 323, 501, 579, 969, 2839, 3173, 3281, 3667, 8517, 9519, 9843, 11001, 32231, 53941, 62339, 96693, 161823, 187017, 547927, 612389, 1643781, 1837167, 10410613, 31231839]

約数ペア:

[(1, 31231839), (3, 10410613), (17, 1837167), (19, 1643781), (51, 612389), (57, 547927), (167, 187017), (193, 161823), (323, 96693), (501, 62339), (579, 53941), (969, 32231), (2839, 11001), (3173, 9843), (3281, 9519), (3667, 8517)]