289647507

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 406022400

約数和(自身を除く): 116374893

約数列:

[1, 3, 37, 83, 111, 149, 211, 249, 447, 633, 3071, 5513, 7807, 9213, 12367, 16539, 17513, 23421, 31439, 37101, 52539, 94317, 457579, 647981, 1163243, 1372737, 1943943, 2609437, 3489729, 7828311, 96549169, 289647507]

約数ペア:

[(1, 289647507), (3, 96549169), (37, 7828311), (83, 3489729), (111, 2609437), (149, 1943943), (211, 1372737), (249, 1163243), (447, 647981), (633, 457579), (3071, 94317), (5513, 52539), (7807, 37101), (9213, 31439), (12367, 23421), (16539, 17513)]