15913981437

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1\times {\mathrm{1549}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 21855744000

約数和(自身を除く): 5941762563

約数列:

[1, 3, 67, 79, 201, 237, 647, 1549, 1941, 4647, 5293, 15879, 43349, 51113, 103783, 122371, 130047, 153339, 311349, 367113, 1002203, 3006609, 3424571, 8198857, 10273713, 24596571, 67147601, 79174037, 201442803, 237522111, 5304660479, 15913981437]

約数ペア:

[(1, 15913981437), (3, 5304660479), (67, 237522111), (79, 201442803), (201, 79174037), (237, 67147601), (647, 24596571), (1549, 10273713), (1941, 8198857), (4647, 3424571), (5293, 3006609), (15879, 1002203), (43349, 367113), (51113, 311349), (103783, 153339), (122371, 130047)]