12142893

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^2$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 18970048

約数和(自身を除く): 6827155

約数列:

[1, 3, 7, 21, 73, 89, 219, 267, 511, 623, 1533, 1869, 6497, 7921, 19491, 23763, 45479, 55447, 136437, 166341, 578233, 1734699, 4047631, 12142893]

約数ペア:

[(1, 12142893), (3, 4047631), (7, 1734699), (21, 578233), (73, 166341), (89, 136437), (219, 55447), (267, 45479), (511, 23763), (623, 19491), (1533, 7921), (1869, 6497)]