7719921

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 13406400

約数和(自身を除く): 5686479

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 121, 139, 153, 187, 297, 363, 417, 459, 561, 1089, 1251, 1529, 1683, 2057, 2363, 3267, 3753, 4587, 5049, 6171, 7089, 13761, 16819, 18513, 21267, 25993, 41283, 50457, 55539, 63801, 77979, 151371, 233937, 285923, 454113, 701811, 857769, 2573307, 7719921]

約数ペア:

[(1, 7719921), (3, 2573307), (9, 857769), (11, 701811), (17, 454113), (27, 285923), (33, 233937), (51, 151371), (99, 77979), (121, 63801), (139, 55539), (153, 50457), (187, 41283), (297, 25993), (363, 21267), (417, 18513), (459, 16819), (561, 13761), (1089, 7089), (1251, 6171), (1529, 5049), (1683, 4587), (2057, 3753), (2363, 3267)]