17961801891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{136999}}^1$

素因数の和:137179

約数の個数: 32

約数和(自身を含む): 27224640000

約数和(自身を除く): 9262838109

約数列:

[1, 3, 11, 29, 33, 87, 137, 319, 411, 957, 1507, 3973, 4521, 11919, 43703, 131109, 136999, 410997, 1506989, 3972971, 4520967, 11918913, 18768863, 43702681, 56306589, 131108043, 206457493, 544297027, 619372479, 1632891081, 5987267297, 17961801891]

約数ペア:

[(1, 17961801891), (3, 5987267297), (11, 1632891081), (29, 619372479), (33, 544297027), (87, 206457493), (137, 131108043), (319, 56306589), (411, 43702681), (957, 18768863), (1507, 11918913), (3973, 4520967), (4521, 3972971), (11919, 1506989), (43703, 410997), (131109, 136999)]