81432953

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 97511040

約数和(自身を除く): 16078087

約数列:

[1, 7, 49, 71, 89, 263, 497, 623, 1841, 3479, 4361, 6319, 12887, 18673, 23407, 44233, 130711, 163849, 309631, 914977, 1146943, 1661897, 11633279, 81432953]

約数ペア:

[(1, 81432953), (7, 11633279), (49, 1661897), (71, 1146943), (89, 914977), (263, 309631), (497, 163849), (623, 130711), (1841, 44233), (3479, 23407), (4361, 18673), (6319, 12887)]