31650729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 47779200

約数和(自身を除く): 16128471

約数列:

[1, 3, 11, 33, 41, 123, 149, 157, 447, 451, 471, 1353, 1639, 1727, 4917, 5181, 6109, 6437, 18327, 19311, 23393, 67199, 70179, 70807, 201597, 212421, 257323, 771969, 959113, 2877339, 10550243, 31650729]

約数ペア:

[(1, 31650729), (3, 10550243), (11, 2877339), (33, 959113), (41, 771969), (123, 257323), (149, 212421), (157, 201597), (447, 70807), (451, 70179), (471, 67199), (1353, 23393), (1639, 19311), (1727, 18327), (4917, 6437), (5181, 6109)]