42643143

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 63423360

約数和(自身を除く): 20780217

約数列:

[1, 3, 9, 43, 129, 251, 387, 439, 753, 1317, 2259, 3951, 10793, 18877, 32379, 56631, 97137, 110189, 169893, 330567, 991701, 4738127, 14214381, 42643143]

約数ペア:

[(1, 42643143), (3, 14214381), (9, 4738127), (43, 991701), (129, 330567), (251, 169893), (387, 110189), (439, 97137), (753, 56631), (1317, 32379), (2259, 18877), (3951, 10793)]