31271142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20123}}^1$

素因数の和:20172

約数の個数: 32

約数和(自身を含む): 73412352

約数和(自身を除く): 42141210

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 20123, 40246, 60369, 120738, 140861, 281722, 422583, 744551, 845166, 1489102, 2233653, 4467306, 5211857, 10423714, 15635571, 31271142]

約数ペア:

[(1, 31271142), (2, 15635571), (3, 10423714), (6, 5211857), (7, 4467306), (14, 2233653), (21, 1489102), (37, 845166), (42, 744551), (74, 422583), (111, 281722), (222, 140861), (259, 120738), (518, 60369), (777, 40246), (1554, 20123)]