2091999

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 3512320

約数和(自身を除く): 1420321

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 97, 237, 273, 291, 553, 679, 1027, 1261, 1659, 2037, 3081, 3783, 7189, 7663, 8827, 21567, 22989, 26481, 53641, 99619, 160923, 298857, 697333, 2091999]

約数ペア:

[(1, 2091999), (3, 697333), (7, 298857), (13, 160923), (21, 99619), (39, 53641), (79, 26481), (91, 22989), (97, 21567), (237, 8827), (273, 7663), (291, 7189), (553, 3783), (679, 3081), (1027, 2037), (1261, 1659)]