218132217

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 354816000

約数和(自身を除く): 136683783

約数列:

[1, 3, 9, 19, 27, 47, 57, 83, 109, 141, 171, 249, 327, 423, 513, 747, 893, 981, 1269, 1577, 2071, 2241, 2679, 2943, 3901, 4731, 5123, 6213, 8037, 9047, 11703, 14193, 15369, 18639, 24111, 27141, 35109, 42579, 46107, 55917, 74119, 81423, 97337, 105327, 138321, 171893, 222357, 244269, 292011, 425209, 515679, 667071, 876033, 1275627, 1547037, 2001213, 2628099, 3826881, 4641111, 8078971, 11480643, 24236913, 72710739, 218132217]

約数ペア:

[(1, 218132217), (3, 72710739), (9, 24236913), (19, 11480643), (27, 8078971), (47, 4641111), (57, 3826881), (83, 2628099), (109, 2001213), (141, 1547037), (171, 1275627), (249, 876033), (327, 667071), (423, 515679), (513, 425209), (747, 292011), (893, 244269), (981, 222357), (1269, 171893), (1577, 138321), (2071, 105327), (2241, 97337), (2679, 81423), (2943, 74119), (3901, 55917), (4731, 46107), (5123, 42579), (6213, 35109), (8037, 27141), (9047, 24111), (11703, 18639), (14193, 15369)]