51142509

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 89867232

約数和(自身を除く): 38724723

約数列:

[1, 3, 9, 11, 19, 27, 33, 53, 57, 81, 99, 159, 171, 209, 243, 297, 361, 477, 513, 583, 627, 891, 1007, 1083, 1431, 1539, 1749, 1881, 2673, 3021, 3249, 3971, 4293, 4617, 5247, 5643, 9063, 9747, 11077, 11913, 12879, 15741, 16929, 19133, 27189, 29241, 33231, 35739, 47223, 50787, 57399, 81567, 87723, 99693, 107217, 141669, 172197, 210463, 244701, 299079, 321651, 516591, 631389, 897237, 964953, 1549773, 1894167, 2691711, 4649319, 5682501, 17047503, 51142509]

約数ペア:

[(1, 51142509), (3, 17047503), (9, 5682501), (11, 4649319), (19, 2691711), (27, 1894167), (33, 1549773), (53, 964953), (57, 897237), (81, 631389), (99, 516591), (159, 321651), (171, 299079), (209, 244701), (243, 210463), (297, 172197), (361, 141669), (477, 107217), (513, 99693), (583, 87723), (627, 81567), (891, 57399), (1007, 50787), (1083, 47223), (1431, 35739), (1539, 33231), (1749, 29241), (1881, 27189), (2673, 19133), (3021, 16929), (3249, 15741), (3971, 12879), (4293, 11913), (4617, 11077), (5247, 9747), (5643, 9063)]