74246739

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 115416576

約数和(自身を除く): 41169837

約数列:

[1, 3, 7, 21, 131, 137, 197, 393, 411, 591, 917, 959, 1379, 2751, 2877, 4137, 17947, 25807, 26989, 53841, 77421, 80967, 125629, 180649, 188923, 376887, 541947, 566769, 3535559, 10606677, 24748913, 74246739]

約数ペア:

[(1, 74246739), (3, 24748913), (7, 10606677), (21, 3535559), (131, 566769), (137, 541947), (197, 376887), (393, 188923), (411, 180649), (591, 125629), (917, 80967), (959, 77421), (1379, 53841), (2751, 26989), (2877, 25807), (4137, 17947)]