15197121

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 23048064

約数和(自身を除く): 7850943

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 971, 1739, 2913, 5217, 8739, 15651, 35927, 45637, 107781, 136911, 323343, 410733, 1688569, 5065707, 15197121]

約数ペア:

[(1, 15197121), (3, 5065707), (9, 1688569), (37, 410733), (47, 323343), (111, 136911), (141, 107781), (333, 45637), (423, 35927), (971, 15651), (1739, 8739), (2913, 5217)]