25212681

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 40656000

約数和(自身を除く): 15443319

約数列:

[1, 3, 9, 13, 27, 39, 109, 117, 327, 351, 659, 981, 1417, 1977, 2943, 4251, 5931, 8567, 12753, 17793, 25701, 38259, 71831, 77103, 215493, 231309, 646479, 933803, 1939437, 2801409, 8404227, 25212681]

約数ペア:

[(1, 25212681), (3, 8404227), (9, 2801409), (13, 1939437), (27, 933803), (39, 646479), (109, 231309), (117, 215493), (327, 77103), (351, 71831), (659, 38259), (981, 25701), (1417, 17793), (1977, 12753), (2943, 8567), (4251, 5931)]