81045909

素因数分解:

$3^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{2971}}^1$

素因数の和:3417

約数の個数: 24

約数和(自身を含む): 134144192

約数和(自身を除く): 53098283

約数列:

[1, 3, 7, 9, 21, 63, 433, 1299, 2971, 3031, 3897, 8913, 9093, 20797, 26739, 27279, 62391, 187173, 1286443, 3859329, 9005101, 11577987, 27015303, 81045909]

約数ペア:

[(1, 81045909), (3, 27015303), (7, 11577987), (9, 9005101), (21, 3859329), (63, 1286443), (433, 187173), (1299, 62391), (2971, 27279), (3031, 26739), (3897, 20797), (8913, 9093)]