2621241

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 4752384

約数和(自身を除く): 2131143

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 67, 69, 81, 161, 189, 201, 207, 243, 469, 483, 567, 603, 621, 1407, 1449, 1541, 1701, 1809, 1863, 4221, 4347, 4623, 5427, 5589, 10787, 12663, 13041, 13869, 16281, 32361, 37989, 39123, 41607, 97083, 113967, 124821, 291249, 374463, 873747, 2621241]

約数ペア:

[(1, 2621241), (3, 873747), (7, 374463), (9, 291249), (21, 124821), (23, 113967), (27, 97083), (63, 41607), (67, 39123), (69, 37989), (81, 32361), (161, 16281), (189, 13869), (201, 13041), (207, 12663), (243, 10787), (469, 5589), (483, 5427), (567, 4623), (603, 4347), (621, 4221), (1407, 1863), (1449, 1809), (1541, 1701)]