1277397

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 48

約数和(自身を含む): 2298240

約数和(自身を除く): 1020843

約数列:

[1, 3, 9, 11, 17, 23, 27, 33, 51, 69, 99, 121, 153, 187, 207, 253, 297, 363, 391, 459, 561, 621, 759, 1089, 1173, 1683, 2057, 2277, 2783, 3267, 3519, 4301, 5049, 6171, 6831, 8349, 10557, 12903, 18513, 25047, 38709, 47311, 55539, 75141, 116127, 141933, 425799, 1277397]

約数ペア:

[(1, 1277397), (3, 425799), (9, 141933), (11, 116127), (17, 75141), (23, 55539), (27, 47311), (33, 38709), (51, 25047), (69, 18513), (99, 12903), (121, 10557), (153, 8349), (187, 6831), (207, 6171), (253, 5049), (297, 4301), (363, 3519), (391, 3267), (459, 2783), (561, 2277), (621, 2057), (759, 1683), (1089, 1173)]