42571431

素因数分解:

$3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1297}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 70465824

約数和(自身を除く): 27894393

約数列:

[1, 3, 7, 9, 21, 63, 521, 1297, 1563, 3647, 3891, 4689, 9079, 10941, 11673, 27237, 32823, 81711, 675737, 2027211, 4730159, 6081633, 14190477, 42571431]

約数ペア:

[(1, 42571431), (3, 14190477), (7, 6081633), (9, 4730159), (21, 2027211), (63, 675737), (521, 81711), (1297, 32823), (1563, 27237), (3647, 11673), (3891, 10941), (4689, 9079)]