81663267

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{94847}}^1$

素因数の和:94898

約数の個数: 16

約数和(自身を含む): 127475712

約数和(自身を除く): 45812445

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 94847, 284541, 663929, 1991787, 3888727, 11666181, 27221089, 81663267]

約数ペア:

[(1, 81663267), (3, 27221089), (7, 11666181), (21, 3888727), (41, 1991787), (123, 663929), (287, 284541), (861, 94847)]