81433989

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{99431}}^1$

素因数の和:99457

約数の個数: 24

約数和(自身を含む): 144772992

約数和(自身を除く): 63339003

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 99431, 298293, 696017, 894879, 1292603, 2088051, 3877809, 6264153, 9048221, 11633427, 27144663, 81433989]

約数ペア:

[(1, 81433989), (3, 27144663), (7, 11633427), (9, 9048221), (13, 6264153), (21, 3877809), (39, 2088051), (63, 1292603), (91, 894879), (117, 696017), (273, 298293), (819, 99431)]