31210977

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 52669440

約数和(自身を除く): 21458463

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 179, 361, 399, 437, 483, 537, 1083, 1253, 1311, 2527, 3059, 3401, 3759, 4117, 7581, 8303, 9177, 10203, 12351, 23807, 24909, 28819, 58121, 64619, 71421, 78223, 86457, 174363, 193857, 234669, 452333, 547561, 1356999, 1486237, 1642683, 4458711, 10403659, 31210977]

約数ペア:

[(1, 31210977), (3, 10403659), (7, 4458711), (19, 1642683), (21, 1486237), (23, 1356999), (57, 547561), (69, 452333), (133, 234669), (161, 193857), (179, 174363), (361, 86457), (399, 78223), (437, 71421), (483, 64619), (537, 58121), (1083, 28819), (1253, 24909), (1311, 23807), (2527, 12351), (3059, 10203), (3401, 9177), (3759, 8303), (4117, 7581)]