28998459

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2248

約数の個数: 32

約数和(自身を含む): 49812480

約数和(自身を除く): 20814021

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 2161, 4473, 6483, 13419, 15127, 19449, 45381, 58347, 136143, 153431, 408429, 460293, 1074017, 1380879, 3222051, 4142637, 9666153, 28998459]

約数ペア:

[(1, 28998459), (3, 9666153), (7, 4142637), (9, 3222051), (21, 1380879), (27, 1074017), (63, 460293), (71, 408429), (189, 153431), (213, 136143), (497, 58347), (639, 45381), (1491, 19449), (1917, 15127), (2161, 13419), (4473, 6483)]