7884297

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 40

約数和(自身を含む): 12777600

約数和(自身を除く): 4893303

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 109, 141, 171, 327, 423, 513, 893, 981, 1269, 1539, 2071, 2679, 2943, 3807, 5123, 6213, 8037, 8829, 15369, 18639, 24111, 46107, 55917, 72333, 97337, 138321, 167751, 292011, 414963, 876033, 2628099, 7884297]

約数ペア:

[(1, 7884297), (3, 2628099), (9, 876033), (19, 414963), (27, 292011), (47, 167751), (57, 138321), (81, 97337), (109, 72333), (141, 55917), (171, 46107), (327, 24111), (423, 18639), (513, 15369), (893, 8829), (981, 8037), (1269, 6213), (1539, 5123), (2071, 3807), (2679, 2943)]