12591369

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 21954240

約数和(自身を除く): 9362871

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 419, 477, 567, 1113, 1257, 1431, 2933, 3339, 3771, 4293, 8799, 10017, 11313, 22207, 26397, 30051, 33939, 66621, 79191, 155449, 199863, 237573, 466347, 599589, 1399041, 1798767, 4197123, 12591369]

約数ペア:

[(1, 12591369), (3, 4197123), (7, 1798767), (9, 1399041), (21, 599589), (27, 466347), (53, 237573), (63, 199863), (81, 155449), (159, 79191), (189, 66621), (371, 33939), (419, 30051), (477, 26397), (567, 22207), (1113, 11313), (1257, 10017), (1431, 8799), (2933, 4293), (3339, 3771)]