12568689

素因数分解:

$3^7\times 7^1\times {\mathrm{821}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 21569280

約数和(自身を除く): 9000591

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 821, 1701, 2187, 2463, 5103, 5747, 7389, 15309, 17241, 22167, 51723, 66501, 155169, 199503, 465507, 598509, 1396521, 1795527, 4189563, 12568689]

約数ペア:

[(1, 12568689), (3, 4189563), (7, 1795527), (9, 1396521), (21, 598509), (27, 465507), (63, 199503), (81, 155169), (189, 66501), (243, 51723), (567, 22167), (729, 17241), (821, 15309), (1701, 7389), (2187, 5747), (2463, 5103)]