6987321

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 11103456

約数和(自身を除く): 4116135

約数列:

[1, 3, 9, 11, 33, 99, 163, 433, 489, 1299, 1467, 1793, 3897, 4763, 5379, 14289, 16137, 42867, 70579, 211737, 635211, 776369, 2329107, 6987321]

約数ペア:

[(1, 6987321), (3, 2329107), (9, 776369), (11, 635211), (33, 211737), (99, 70579), (163, 42867), (433, 16137), (489, 14289), (1299, 5379), (1467, 4763), (1793, 3897)]