15639717

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 7584603

約数列:

[1, 3, 19, 31, 53, 57, 93, 159, 167, 501, 589, 1007, 1643, 1767, 3021, 3173, 4929, 5177, 8851, 9519, 15531, 26553, 31217, 93651, 98363, 168169, 274381, 295089, 504507, 823143, 5213239, 15639717]

約数ペア:

[(1, 15639717), (3, 5213239), (19, 823143), (31, 504507), (53, 295089), (57, 274381), (93, 168169), (159, 98363), (167, 93651), (501, 31217), (589, 26553), (1007, 15531), (1643, 9519), (1767, 8851), (3021, 5177), (3173, 4929)]