15551109

素因数分解:

$3^4\times 7^1\times {\mathrm{27427}}^1$

素因数の和:27446

約数の個数: 20

約数和(自身を含む): 26550304

約数和(自身を除く): 10999195

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27427, 82281, 191989, 246843, 575967, 740529, 1727901, 2221587, 5183703, 15551109]

約数ペア:

[(1, 15551109), (3, 5183703), (7, 2221587), (9, 1727901), (21, 740529), (27, 575967), (63, 246843), (81, 191989), (189, 82281), (567, 27427)]