821159997

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{2027}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 1270923264

約数和(自身を除く): 449763267

約数列:

[1, 3, 7, 21, 101, 191, 303, 573, 707, 1337, 2027, 2121, 4011, 6081, 14189, 19291, 42567, 57873, 135037, 204727, 387157, 405111, 614181, 1161471, 1433089, 2710099, 4299267, 8130297, 39102857, 117308571, 273719999, 821159997]

約数ペア:

[(1, 821159997), (3, 273719999), (7, 117308571), (21, 39102857), (101, 8130297), (191, 4299267), (303, 2710099), (573, 1433089), (707, 1161471), (1337, 614181), (2027, 405111), (2121, 387157), (4011, 204727), (6081, 135037), (14189, 57873), (19291, 42567)]