235378689

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20051}}^1$

素因数の和:20117

約数の個数: 32

約数和(自身を含む): 395265024

約数和(自身を除く): 159886335

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 11739, 20051, 60153, 140357, 260663, 421071, 781989, 862193, 1824641, 2586579, 5473923, 6035351, 11208509, 18106053, 33625527, 78459563, 235378689]

約数ペア:

[(1, 235378689), (3, 78459563), (7, 33625527), (13, 18106053), (21, 11208509), (39, 6035351), (43, 5473923), (91, 2586579), (129, 1824641), (273, 862193), (301, 781989), (559, 421071), (903, 260663), (1677, 140357), (3913, 60153), (11739, 20051)]