169621389

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{2389}}^1$

素因数の和:2439

約数の個数: 48

約数和(自身を含む): 298272000

約数和(自身を除く): 128650611

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 1029, 1127, 1449, 2389, 3087, 3381, 7167, 7889, 10143, 16723, 21501, 23667, 50169, 54947, 71001, 117061, 150507, 164841, 351183, 384629, 494523, 819427, 1053549, 1153887, 2458281, 2692403, 3461661, 7374843, 8077209, 18846821, 24231627, 56540463, 169621389]

約数ペア:

[(1, 169621389), (3, 56540463), (7, 24231627), (9, 18846821), (21, 8077209), (23, 7374843), (49, 3461661), (63, 2692403), (69, 2458281), (147, 1153887), (161, 1053549), (207, 819427), (343, 494523), (441, 384629), (483, 351183), (1029, 164841), (1127, 150507), (1449, 117061), (2389, 71001), (3087, 54947), (3381, 50169), (7167, 23667), (7889, 21501), (10143, 16723)]