31306305

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{743}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 51121728

約数和(自身を除く): 19815423

約数列:

[1, 3, 5, 15, 53, 159, 265, 743, 795, 2229, 2809, 3715, 8427, 11145, 14045, 39379, 42135, 118137, 196895, 590685, 2087087, 6261261, 10435435, 31306305]

約数ペア:

[(1, 31306305), (3, 10435435), (5, 6261261), (15, 2087087), (53, 590685), (159, 196895), (265, 118137), (743, 42135), (795, 39379), (2229, 14045), (2809, 11145), (3715, 8427)]