27195987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 45911040

約数和(自身を除く): 18715053

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 97, 169, 237, 273, 291, 507, 553, 679, 1027, 1183, 1261, 1659, 2037, 3081, 3549, 3783, 7189, 7663, 8827, 13351, 16393, 21567, 22989, 26481, 40053, 49179, 53641, 93457, 99619, 114751, 160923, 280371, 298857, 344253, 697333, 1295047, 2091999, 3885141, 9065329, 27195987]

約数ペア:

[(1, 27195987), (3, 9065329), (7, 3885141), (13, 2091999), (21, 1295047), (39, 697333), (79, 344253), (91, 298857), (97, 280371), (169, 160923), (237, 114751), (273, 99619), (291, 93457), (507, 53641), (553, 49179), (679, 40053), (1027, 26481), (1183, 22989), (1261, 21567), (1659, 16393), (2037, 13351), (3081, 8827), (3549, 7663), (3783, 7189)]