31977699

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 47416320

約数和(自身を除く): 15438621

約数列:

[1, 3, 13, 39, 79, 97, 107, 237, 291, 321, 1027, 1261, 1391, 3081, 3783, 4173, 7663, 8453, 10379, 22989, 25359, 31137, 99619, 109889, 134927, 298857, 329667, 404781, 819941, 2459823, 10659233, 31977699]

約数ペア:

[(1, 31977699), (3, 10659233), (13, 2459823), (39, 819941), (79, 404781), (97, 329667), (107, 298857), (237, 134927), (291, 109889), (321, 99619), (1027, 31137), (1261, 25359), (1391, 22989), (3081, 10379), (3783, 8453), (4173, 7663)]