12867561

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7043}}^1$

素因数の和:7085

約数の個数: 24

約数和(自身を含む): 21977280

約数和(自身を除く): 9109719

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 7043, 21129, 49301, 63387, 147903, 204247, 443709, 612741, 1429729, 1838223, 4289187, 12867561]

約数ペア:

[(1, 12867561), (3, 4289187), (7, 1838223), (9, 1429729), (21, 612741), (29, 443709), (63, 204247), (87, 147903), (203, 63387), (261, 49301), (609, 21129), (1827, 7043)]