12749751

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 22982400

約数和(自身を除く): 10232649

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 419, 441, 483, 621, 1127, 1257, 1323, 1449, 2933, 3381, 3771, 4347, 8799, 9637, 10143, 11313, 20531, 26397, 28911, 30429, 61593, 67459, 79191, 86733, 184779, 202377, 260199, 472213, 554337, 607131, 1416639, 1821393, 4249917, 12749751]

約数ペア:

[(1, 12749751), (3, 4249917), (7, 1821393), (9, 1416639), (21, 607131), (23, 554337), (27, 472213), (49, 260199), (63, 202377), (69, 184779), (147, 86733), (161, 79191), (189, 67459), (207, 61593), (419, 30429), (441, 28911), (483, 26397), (621, 20531), (1127, 11313), (1257, 10143), (1323, 9637), (1449, 8799), (2933, 4347), (3381, 3771)]