81637509

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{4327}}^1$

素因数の和:4680

約数の個数: 16

約数和(自身を含む): 114951680

約数和(自身を除く): 33314171

約数列:

[1, 3, 19, 57, 331, 993, 4327, 6289, 12981, 18867, 82213, 246639, 1432237, 4296711, 27212503, 81637509]

約数ペア:

[(1, 81637509), (3, 27212503), (19, 4296711), (57, 1432237), (331, 246639), (993, 82213), (4327, 18867), (6289, 12981)]