26998209

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4243}}^1$

素因数の和:4357

約数の個数: 24

約数和(自身を含む): 45020352

約数和(自身を除く): 18022143

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 4243, 6363, 12729, 29701, 38187, 89103, 267309, 428543, 1285629, 2999801, 3856887, 8999403, 26998209]

約数ペア:

[(1, 26998209), (3, 8999403), (7, 3856887), (9, 2999801), (21, 1285629), (63, 428543), (101, 267309), (303, 89103), (707, 38187), (909, 29701), (2121, 12729), (4243, 6363)]