17990599203

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{570967}}^1$

素因数の和:571368

約数の個数: 20

約数和(自身を含む): 26943979920

約数和(自身を除く): 8953380717

約数列:

[1, 3, 9, 27, 81, 389, 1167, 3501, 10503, 31509, 570967, 1712901, 5138703, 15416109, 46248327, 222106163, 666318489, 1998955467, 5996866401, 17990599203]

約数ペア:

[(1, 17990599203), (3, 5996866401), (9, 1998955467), (27, 666318489), (81, 222106163), (389, 46248327), (1167, 15416109), (3501, 5138703), (10503, 1712901), (31509, 570967)]