813219309

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{155521}}^1$

素因数の和:155617

約数の個数: 24

約数和(自身を含む): 1358640192

約数和(自身を除く): 545420883

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 155521, 466563, 1088647, 1399689, 3265941, 9797823, 12908243, 38724729, 90357701, 116174187, 271073103, 813219309]

約数ペア:

[(1, 813219309), (3, 271073103), (7, 116174187), (9, 90357701), (21, 38724729), (63, 12908243), (83, 9797823), (249, 3265941), (581, 1399689), (747, 1088647), (1743, 466563), (5229, 155521)]