13579851

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 20136960

約数和(自身を除く): 6557109

約数列:

[1, 3, 19, 37, 47, 57, 111, 137, 141, 411, 703, 893, 1739, 2109, 2603, 2679, 5069, 5217, 6439, 7809, 15207, 19317, 33041, 96311, 99123, 122341, 238243, 288933, 367023, 714729, 4526617, 13579851]

約数ペア:

[(1, 13579851), (3, 4526617), (19, 714729), (37, 367023), (47, 288933), (57, 238243), (111, 122341), (137, 99123), (141, 96311), (411, 33041), (703, 19317), (893, 15207), (1739, 7809), (2109, 6439), (2603, 5217), (2679, 5069)]