261572307

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 373248000

約数和(自身を除く): 111675693

約数列:

[1, 3, 23, 69, 71, 107, 213, 321, 499, 1497, 1633, 2461, 4899, 7383, 7597, 11477, 22791, 34431, 35429, 53393, 106287, 160179, 174731, 524193, 814867, 1228039, 2444601, 3684117, 3790903, 11372709, 87190769, 261572307]

約数ペア:

[(1, 261572307), (3, 87190769), (23, 11372709), (69, 3790903), (71, 3684117), (107, 2444601), (213, 1228039), (321, 814867), (499, 524193), (1497, 174731), (1633, 160179), (2461, 106287), (4899, 53393), (7383, 35429), (7597, 34431), (11477, 22791)]