12783897

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1549}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 21278400

約数和(自身を除く): 8494503

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 1549, 2751, 4647, 8253, 10843, 13941, 32529, 97587, 202919, 608757, 1420433, 1826271, 4261299, 12783897]

約数ペア:

[(1, 12783897), (3, 4261299), (7, 1826271), (9, 1420433), (21, 608757), (63, 202919), (131, 97587), (393, 32529), (917, 13941), (1179, 10843), (1549, 8253), (2751, 4647)]