209926431

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{54371}}^1$

素因数の和:54404

約数の個数: 32

約数和(自身を含む): 365379840

約数和(自身を除く): 155453409

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 54371, 163113, 489339, 598081, 706823, 1468017, 1794243, 2120469, 5382729, 6361407, 7775053, 16148187, 19084221, 23325159, 69975477, 209926431]

約数ペア:

[(1, 209926431), (3, 69975477), (9, 23325159), (11, 19084221), (13, 16148187), (27, 7775053), (33, 6361407), (39, 5382729), (99, 2120469), (117, 1794243), (143, 1468017), (297, 706823), (351, 598081), (429, 489339), (1287, 163113), (3861, 54371)]