2120508747

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{211691}}^1$

素因数の和:211760

約数の個数: 32

約数和(自身を含む): 3658037760

約数和(自身を除く): 1537529013

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 3339, 10017, 211691, 635073, 1481837, 1905219, 4445511, 5715657, 11219623, 13336533, 33658869, 40009599, 78537361, 100976607, 235612083, 302929821, 706836249, 2120508747]

約数ペア:

[(1, 2120508747), (3, 706836249), (7, 302929821), (9, 235612083), (21, 100976607), (27, 78537361), (53, 40009599), (63, 33658869), (159, 13336533), (189, 11219623), (371, 5715657), (477, 4445511), (1113, 1905219), (1431, 1481837), (3339, 635073), (10017, 211691)]