28423473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 44263296

約数和(自身を除く): 15839823

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 997, 1677, 2193, 2991, 9503, 12961, 16949, 28509, 38883, 42871, 50847, 128613, 220337, 557323, 661011, 728807, 1671969, 2186421, 9474491, 28423473]

約数ペア:

[(1, 28423473), (3, 9474491), (13, 2186421), (17, 1671969), (39, 728807), (43, 661011), (51, 557323), (129, 220337), (221, 128613), (559, 50847), (663, 42871), (731, 38883), (997, 28509), (1677, 16949), (2193, 12961), (2991, 9503)]