178187877

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 317952000

約数和(自身を除く): 139764123

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 179, 189, 207, 229, 483, 537, 621, 687, 1253, 1449, 1603, 1611, 2061, 3759, 4117, 4347, 4809, 4833, 5267, 6183, 11277, 12351, 14427, 15801, 28819, 33831, 36869, 37053, 40991, 43281, 47403, 86457, 110607, 111159, 122973, 142209, 259371, 286937, 331821, 368919, 778113, 860811, 942793, 995463, 1106757, 2582433, 2828379, 6599551, 7747299, 8485137, 19798653, 25455411, 59395959, 178187877]

約数ペア:

[(1, 178187877), (3, 59395959), (7, 25455411), (9, 19798653), (21, 8485137), (23, 7747299), (27, 6599551), (63, 2828379), (69, 2582433), (161, 1106757), (179, 995463), (189, 942793), (207, 860811), (229, 778113), (483, 368919), (537, 331821), (621, 286937), (687, 259371), (1253, 142209), (1449, 122973), (1603, 111159), (1611, 110607), (2061, 86457), (3759, 47403), (4117, 43281), (4347, 40991), (4809, 37053), (4833, 36869), (5267, 33831), (6183, 28819), (11277, 15801), (12351, 14427)]