48721881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 75841920

約数和(自身を除く): 27120039

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 1677, 1709, 2193, 5127, 9503, 22217, 28509, 29053, 66651, 73487, 87159, 220461, 377689, 955331, 1133067, 1249279, 2865993, 3747837, 16240627, 48721881]

約数ペア:

[(1, 48721881), (3, 16240627), (13, 3747837), (17, 2865993), (39, 1249279), (43, 1133067), (51, 955331), (129, 377689), (221, 220461), (559, 87159), (663, 73487), (731, 66651), (1677, 29053), (1709, 28509), (2193, 22217), (5127, 9503)]