254831913

素因数分解:

$3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4049}}^1$

素因数の和:4108

約数の個数: 48

約数和(自身を含む): 448156800

約数和(自身を除く): 193324887

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 243, 259, 333, 567, 777, 999, 1701, 2331, 2997, 4049, 6993, 8991, 12147, 20979, 28343, 36441, 62937, 85029, 109323, 149813, 255087, 327969, 449439, 765261, 983907, 1048691, 1348317, 2295783, 3146073, 4044951, 6887349, 9438219, 12134853, 28314657, 36404559, 84943971, 254831913]

約数ペア:

[(1, 254831913), (3, 84943971), (7, 36404559), (9, 28314657), (21, 12134853), (27, 9438219), (37, 6887349), (63, 4044951), (81, 3146073), (111, 2295783), (189, 1348317), (243, 1048691), (259, 983907), (333, 765261), (567, 449439), (777, 327969), (999, 255087), (1701, 149813), (2331, 109323), (2997, 85029), (4049, 62937), (6993, 36441), (8991, 28343), (12147, 20979)]