531551139

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1\times {\mathrm{941}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 833903616

約数和(自身を除く): 302352477

約数列:

[1, 3, 7, 21, 37, 111, 259, 727, 777, 941, 2181, 2823, 5089, 6587, 15267, 19761, 26899, 34817, 80697, 104451, 188293, 243719, 564879, 684107, 731157, 2052321, 4788749, 14366247, 25311959, 75935877, 177183713, 531551139]

約数ペア:

[(1, 531551139), (3, 177183713), (7, 75935877), (21, 25311959), (37, 14366247), (111, 4788749), (259, 2052321), (727, 731157), (777, 684107), (941, 564879), (2181, 243719), (2823, 188293), (5089, 104451), (6587, 80697), (15267, 34817), (19761, 26899)]