249121521

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 428313600

約数和(自身を除く): 179192079

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 131, 171, 209, 297, 337, 393, 513, 627, 1011, 1179, 1441, 1881, 2489, 3033, 3537, 3707, 4323, 5643, 6403, 7467, 9099, 11121, 12969, 19209, 22401, 27379, 33363, 38907, 44147, 57627, 67203, 70433, 82137, 100089, 132441, 172881, 211299, 246411, 397323, 485617, 633897, 739233, 838793, 1191969, 1456851, 1901691, 2516379, 4370553, 7549137, 9226723, 13111659, 22647411, 27680169, 83040507, 249121521]

約数ペア:

[(1, 249121521), (3, 83040507), (9, 27680169), (11, 22647411), (19, 13111659), (27, 9226723), (33, 7549137), (57, 4370553), (99, 2516379), (131, 1901691), (171, 1456851), (209, 1191969), (297, 838793), (337, 739233), (393, 633897), (513, 485617), (627, 397323), (1011, 246411), (1179, 211299), (1441, 172881), (1881, 132441), (2489, 100089), (3033, 82137), (3537, 70433), (3707, 67203), (4323, 57627), (5643, 44147), (6403, 38907), (7467, 33363), (9099, 27379), (11121, 22401), (12969, 19209)]