30027249

素因数分解:

$3^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 51667200

約数和(自身を除く): 21639951

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 137, 147, 213, 343, 411, 441, 497, 639, 959, 1029, 1233, 1491, 2877, 3087, 3479, 4473, 6713, 8631, 9727, 10437, 20139, 24353, 29181, 31311, 46991, 60417, 68089, 73059, 87543, 140973, 204267, 219177, 422919, 476623, 612801, 1429869, 3336361, 4289607, 10009083, 30027249]

約数ペア:

[(1, 30027249), (3, 10009083), (7, 4289607), (9, 3336361), (21, 1429869), (49, 612801), (63, 476623), (71, 422919), (137, 219177), (147, 204267), (213, 140973), (343, 87543), (411, 73059), (441, 68089), (497, 60417), (639, 46991), (959, 31311), (1029, 29181), (1233, 24353), (1491, 20139), (2877, 10437), (3087, 9727), (3479, 8631), (4473, 6713)]