189686721

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{33331}}^1$

素因数の和:33612

約数の個数: 16

約数和(自身を含む): 290121728

約数和(自身を除く): 100435007

約数列:

[1, 3, 7, 21, 271, 813, 1897, 5691, 33331, 99993, 233317, 699951, 9032701, 27098103, 63228907, 189686721]

約数ペア:

[(1, 189686721), (3, 63228907), (7, 27098103), (21, 9032701), (271, 699951), (813, 233317), (1897, 99993), (5691, 33331)]