81406563

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{36229}}^1$

素因数の和:36346

約数の個数: 16

約数和(自身を含む): 125210880

約数和(自身を除く): 43804317

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 36229, 108687, 253603, 760809, 3876503, 11629509, 27135521, 81406563]

約数ペア:

[(1, 81406563), (3, 27135521), (7, 11629509), (21, 3876503), (107, 760809), (321, 253603), (749, 108687), (2247, 36229)]