205121329

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1\times {\mathrm{1229}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 237813120

約数和(自身を除く): 32691791

約数列:

[1, 7, 113, 211, 791, 1229, 1477, 8603, 23843, 138877, 166901, 259319, 972139, 1815233, 29303047, 205121329]

約数ペア:

[(1, 205121329), (7, 29303047), (113, 1815233), (211, 972139), (791, 259319), (1229, 166901), (1477, 138877), (8603, 23843)]