31193685

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4987}}^1$

素因数の和:5137

約数の個数: 24

約数和(自身を含む): 54468960

約数和(自身を除く): 23275275

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 4987, 6255, 14961, 24935, 44883, 74805, 224415, 693193, 2079579, 3465965, 6238737, 10397895, 31193685]

約数ペア:

[(1, 31193685), (3, 10397895), (5, 6238737), (9, 3465965), (15, 2079579), (45, 693193), (139, 224415), (417, 74805), (695, 44883), (1251, 24935), (2085, 14961), (4987, 6255)]